The Life You're Living

Rethinking Food, Movement and Health Beyond Diets, Trends and Quick Solutions

Conversations about nutrition have a curious way of becoming personal very quickly. Recently, while playing golf, we met a young couple who asked about my work, and before long the discussion turned to their own efforts to improve the way they ate. They had tried keto for a period, then vegetarianism, followed by other approaches that had seemed promising at the time but ultimately proved difficult to sustain or simply failed to make them feel as they had expected. Their experience was hardly unusual, but something about the way they described it stayed with me. They were clearly interested in their health and willing to make meaningful changes, yet the process available to them seemed to consist largely of selecting one dietary approach after another and hoping that eventually they would find the one that fit. What appeared at first to be a conversation about food was really a conversation about how difficult it has become to know what to do with food when so much of what we encounter is presented as a choice between competing systems.

There is a significant difference between changing the way we eat because we understand what we are trying to accomplish and adopting a dietary framework because its rules appear to offer a path toward the result we want. The distinction is easy to overlook because both can lead to very similar changes on the plate, at least initially, yet the knowledge supporting those changes is entirely different. Removing certain foods, increasing others, altering the proportion of macronutrients or deciding to eat within a particular window may all have physiological consequences, but those consequences cannot be understood simply from the name of the approach being followed. Keto describes a particular metabolic strategy, vegetarianism describes the exclusion of certain animal foods, and plant-based eating can describe anything from a diet centred on minimally processed plants to one containing a substantial quantity of manufactured alternatives. None of these labels tells us, by itself, whether an individual is adequately nourished, whether the pattern is appropriate for that person’s current needs, or whether the changes being made address the reason the person wanted to change in the first place.

This is where the conversation about nutrition often becomes more complicated than it needs to be, because food has gradually acquired a vocabulary that can obscure its most fundamental purpose. We discuss foods as clean or inflammatory, high-protein or low-carbohydrate, superfoods or empty calories, permitted or forbidden, while the body remains largely indifferent to the categories through which we have chosen to describe them. Physiology responds instead to what arrives, in what quantity and form, how frequently, and within the context of everything else the body is being asked to manage. Amino acids remain necessary for the synthesis and repair of tissues regardless of whether they came from tofu, lentils, fish or another source; glucose remains an important energy substrate regardless of whether carbohydrates are currently fashionable or being blamed for weight gain; dietary fats remain structurally and metabolically important even after decades during which their reputation has repeatedly moved between necessity and menace. Vitamins, minerals, fibre and the many bioactive compounds found in foods contribute to processes that continue whether or not the person eating them has ever heard the biochemical terminology used to describe those processes. Nutrition becomes considerably easier to reason once food is viewed less as a collection of ideological categories and more as material entering a living system.

Understanding that system does not require turning every meal into an exercise in nutritional biochemistry, but it does require moving beyond the idea that health can be achieved by finding the correct set of dietary rules. Human nutritional requirements are sufficiently universal that meaningful principles exist, yet sufficiently influenced by circumstance that their application cannot remain identical throughout an entire lifetime. A person undertaking demanding physical training creates nutritional requirements that differ in important ways from those of the same person during a prolonged sedentary period. Preserving muscle becomes increasingly important as we age, while changes in appetite, digestion, hormonal environment, sleep and activity can alter how easily nutritional needs are met. Periods of illness, recovery, pregnancy, exceptional workload or sustained stress can further change what is practical, tolerable or necessary. The objective therefore cannot reasonably be to discover at thirty, forty or fifty the one way of eating that will remain perfectly suited to every version of ourselves that follows, but, rather, to understand the principles well enough to recognize when the application needs to change.

This is one of the reasons dietary experimentation so often ends in disappointment. When an approach is adopted as a complete philosophy rather than as a set of choices with specific physiological effects, there is very little room to adjust it without feeling that the approach itself has failed. Someone who feels depleted after substantially reducing carbohydrates may conclude that low-carbohydrate eating simply does not work for them, when the more useful questions concern what was removed, what replaced it, how active they were, whether total energy intake changed and what symptoms actually appeared. Someone adopting a vegetarian or plant-based diet may initially feel worse not because the absence of meat has created an inevitable nutritional problem, but because familiar meals were dismantled without adequate attention to what needed to replace them. Protein intake may fall, dietary variety may narrow, reliance on refined convenience foods may increase, or a sudden increase in fibre may overwhelm a digestive system accustomed to much less. The experience is real, but interpreting the experience requires more than deciding whether the dietary label failed or was successful.

Our own transition toward eating predominantly plant-based foods involved precisely this kind of learning. Removing foods was relatively straightforward; understanding how to construct satisfying, nutritionally complete meals without simply recreating familiar dishes from increasingly processed substitutes required considerably more thought. A package labelled vegan did not become nutritious by virtue of containing no animal ingredients, just as gluten-free, organic, natural or high-protein products do not acquire nutritional superiority simply because a desirable characteristic appears prominently on the packaging. Over time, the more useful questions became less concerned with what a food was called and more concerned with what it contributed to the whole: whether meals contained adequate protein, sufficient fibre and variety, appropriate sources of fat, meaningful quantities of micronutrients and enough energy to support the demands of daily life. That shift did not make eating more restrictive; on the contrary, it made it considerably more flexible because individual foods no longer had to carry the burden of being categorically good or bad.

There is an important kind of independence that develops when nutrition is approached this way. Instead of requiring a new authority every time a headline declares that a nutrient has been misunderstood, a dietary trend becomes fashionable or a product promises to correct a newly named metabolic problem, it becomes possible to examine the claim against a more stable body of knowledge. The relevant question is no longer simply whether something is keto, vegan, high-protein, low-sugar or formulated for a particular stage of life, but what physiological problem it is intended to address, whether that problem actually exists, what the proposed intervention is capable of changing and what it cannot reasonably be expected to change. This does not eliminate uncertainty, because nutrition science is complex and individual circumstances matter, but it changes our relationship with uncertainty by giving us something more reliable than enthusiasm, fear or marketing with which to evaluate it.

Perhaps the more useful objective, then, is not to help people discover the diet that is finally right for them, because even that language suggests a permanent answer waiting to be found. A more durable form of self-health begins with learning how nourishment works well enough to make thoughtful choices, observe their effects and adjust them as the body and life inevitably change. The person who understands why they eat as they do is not trapped when their activity level changes, when a familiar food stops agreeing with them, when midlife alters body composition, when work temporarily changes the rhythm of their days, or when the strategy that served them well ten years earlier no longer produces the same result. They have principles to return to rather than another identity to abandon, which may ultimately be the difference between spending a lifetime searching for the right way to eat and gradually becoming capable of nourishing the life one is actually living.

That distinction becomes increasingly important in an environment where the commercial message surrounding health has moved well beyond selling food. It now sells the possibility of correcting the consequences of daily habits without necessarily changing the habits themselves, often through products positioned somewhere between nutrition, supplementation and lifestyle medicine. Social media feeds are crowded with powders containing dozens of vitamins, minerals, plant extracts and other compounds, formulations promoted for metabolic health or hormonal balance, products promising improved energy and digestion, and supplements marketed specifically to women who are struggling with changes in body composition during menopause. The language is carefully chosen because it speaks to concerns that are entirely legitimate. People do feel exhausted, bloated, uncomfortable in their bodies and frustrated when weight accumulates differently than it once did; women do experience significant physiological changes through the menopausal transition; and many people are aware that their diets could be better even when they do not know exactly what better would look like. The difficulty arises when these realities are presented in a way that allows a product to occupy the space where a much broader examination of physiology, nutrition, movement, sleep, alcohol consumption, stress and everyday patterns would otherwise belong.

The promise is particularly persuasive because it can accommodate almost any lifestyle without requiring that its foundations be reconsidered. Someone can continue eating predominantly processed foods while taking a concentrated mixture of micronutrients, continue drinking regularly while using another formulation for bloating or energy, remain largely sedentary while consuming products marketed for metabolism, or struggle with inadequate sleep while attempting to correct daytime fatigue through stimulating compounds. This does not mean that every person purchasing such products behaves this way, nor that the nutrients they contain are without biological value, but the larger message deserves scrutiny because it subtly changes what supplementation is understood to accomplish. Instead of filling a genuine nutritional gap or serving a defined purpose within an otherwise supportive pattern, supplementation begins to resemble nutritional insurance, creating the impression that sufficient quantities of desirable compounds can somehow offset conditions that continue to place very different demands upon the body.

Human physiology offers no such accounting system. Nutrients are not credits that can simply be accumulated against debits created elsewhere, because food, alcohol, physical activity, sleep and stress influence the body through different pathways that cannot be made interchangeable merely because all of them affect health. Vitamin C cannot perform the work of skeletal muscle contracting against resistance; magnesium cannot recreate the architecture of adequate sleep; a concentrated source of antioxidants cannot remove the metabolic work required to process alcohol; and consuming fibre in powdered form does not make a diet rich in intact vegetables, fruits, legumes, whole grains, nuts and seeds physiologically redundant. Even within nutrition itself, foods are considerably more than delivery systems for the nutrients listed on a label. Their physical structure, combinations of nutrients, fibre, water and numerous bioactive compounds influence digestion, absorption, satiety and the way they interact with the gastrointestinal environment, which is one reason reducing nutritional adequacy to the number of ingredients contained in a supplement can be so misleading.

This is not an argument against supplementation, which has an entirely legitimate place in nutrition when there is a reason for using it. Certain nutrients may be difficult to obtain adequately from a particular dietary pattern, requirements can increase under specific circumstances, deficiencies require correction, absorption may be impaired, and individual health considerations can make targeted supplementation appropriate. What matters is the reasoning that precedes the purchase. Taking vitamin B12 within a predominantly or exclusively plant-based diet, for example, responds to a well-understood nutritional requirement; adding vitamin D when intake and sun exposure are insufficient addresses another recognizable need. These decisions are fundamentally different from consuming a broad formulation because its advertising implies that more nutrients necessarily produce more health, or that a sufficiently impressive ingredient list can compensate for a way of living that continues to undermine the outcome being pursued. The distinction is not between natural and synthetic, food and supplements, or virtuous and irresponsible choices, but between using a tool for a reason and using it in place of understanding the reason.

Weight management provides an especially revealing example because it sits at the intersection of legitimate physiological complexity and extraordinary commercial opportunities. Changes in body composition during midlife are real, and simplistic advice to eat less and move more can be inadequate when it ignores changes in hormones, muscle mass, sleep, activity, appetite, stress and the distribution of adipose tissue that accompany aging and menopause. Recognizing this complexity, however, should make us more cautious about simple solutions rather than more receptive to them. A product promoted as addressing abdominal fat associated with menopause may borrow credibility from genuine hormonal physiology while leaving the consumer with the impression that the visible change has a discrete nutritional cause that can be corrected by supplying a particular combination of ingredients. The reality is less convenient. Preserving and building muscle requires resistance and adequate nutritional support; reducing excess adiposity, when appropriate, requires attention to energy balance within a much larger metabolic context; sleep influences appetite, recovery and behaviour; alcohol contributes energy while also affecting sleep and metabolic priorities; and the cumulative effects of aging, activity and hormonal changes cannot be compressed into a deficiency that disappears when a powder is added to the morning routine.

Alcohol is particularly useful for understanding why compensation is such a problematic concept. The body does not regard a glass of wine as a moral transgression, nor does health require absolute abstinence for every person, but alcohol is a substance the body must metabolize and prioritize because it cannot be stored in the same manner as carbohydrates or fat. Regular consumption can influence sleep, appetite, energy intake and recovery, and for some people it contributes noticeably to bloating or the general sense of feeling depleted the following day. If a product is then marketed alongside imagery suggesting that it can restore energy, reduce bloating or help resolve the abdominal weight associated with a lifestyle in which alcohol remains frequent, the question is not whether the formulation contains beneficial nutrients. It is whether the consumer is being encouraged to understand the relationship between cause and effect, or simply being offered a more appealing way to live with the effect while leaving the cause largely untouched.

There is a broader cultural expectation beneath all of this that may be more difficult to confront than any individual piece of misinformation: we have become accustomed to expecting health interventions to produce visible results quickly enough to reassure us that they are working. The body, unfortunately for anyone trying to market transformation, operates according to a different timetable. Exercise produces immediate physiological responses, but the adaptations most people actually want from it accumulate through repetition. A single strength-training session initiates processes involved in muscular adaptation, yet strength and meaningful changes in lean mass emerge from consistent training followed by sufficient recovery and nourishment. One nutritious meal can certainly be beneficial, but it does not reverse years of inadequate dietary patterns, just as one indulgent meal does not destroy an otherwise supportive way of eating. Improvements in cardiovascular fitness, metabolic function, digestive health and body composition generally reflect what has been repeated often enough for the body to adapt to it, which makes consistency far more consequential than intensity applied briefly and abandoned when the expected transformation fails to arrive.

This slower understanding of health can initially feel discouraging because it removes the fantasy of a shortcut, but it also removes much of the unnecessary urgency that causes people to move repeatedly from one intervention to another. If physiological change is expected to take time, there is less reason to interpret the absence of immediate visible results as evidence of failure. A person beginning resistance training does not need to reconsider the entire program because their body composition has not changed noticeably after two weeks; someone increasing whole foods and dietary fibre does not need to abandon the effort because digestion requires a period of adjustment; and a person changing long-established eating patterns does not need every meal to demonstrate that the strategy is working. What matters is whether the underlying choices are physiologically sound, appropriate to the individual, and sustainable enough to be repeated and adjusted when the information coming back from the body suggests that an adjustment is necessary.

The ability to make those adjustments is where a philosophy of self-health becomes materially different from the pursuit of wellness through externally imposed rules, passing trends or commercial solutions. Self-health does not imply that every person should diagnose nutritional deficiencies, interpret complex laboratory findings or manage health conditions without qualified professional guidance, any more than understanding personal finances eliminates the need for an accountant or understanding how a car works eliminates the need for a mechanic. It means developing sufficient knowledge to participate intelligently in the everyday decisions that influence health, to recognize the limits of our own knowledge, to seek appropriate expertise when it is needed and to ask more informed questions when we do. Most importantly, it allows us to evaluate recommendations according to what they are actually capable of contributing, rather than surrendering that judgment to a dietary philosophy, a persuasive marketing claim or the promise of an intervention that appears to offer a way around the body’s fundamental requirements.

Food is particularly suited to this kind of understanding because eating is not an occasional health intervention. It is something we do repeatedly, under changing circumstances, for reasons that extend well beyond nutrient acquisition. We eat because we are hungry and because food tastes good, because meals structure family and social life, because culture and memory are carried through recipes, because time and money constrain what is possible, because some days we have the energy to cook and others require something uncomplicated, and because pleasure itself belongs within a healthy relationship with food. A useful nutritional framework has to survive contact with all of those realities. If it functions only when meals are perfectly planned, schedules are predictable, motivation is high and every ingredient can be controlled, it may be an effective protocol under temporary conditions but it is a poor foundation for an entire life.

This is why understanding the difference between principles and rules matters so much. Principles provide direction while allowing circumstances to change; rules tend to become increasingly fragile as soon as circumstances do. The principle that meals should provide adequate nourishment can accommodate different cuisines, budgets, preferences and stages of life, while a rigid list of approved foods cannot always do so. The principle that protein requirements must be met leaves considerable room for how that protein is obtained, whereas allegiance to a particular dietary identity may unnecessarily narrow the options before individual needs have even been considered. The principle that physical activity is necessary for maintaining function does not require everyone to perform the same exercise, just as recognizing the importance of dietary fibre does not require everyone to tolerate the same foods in the same quantities. Learning to work from principles does not make nutrition vague or permissive; it makes the reasoning sturdy enough to remain useful when life changes.

That may ultimately be what allows a person to move through different physiological seasons without beginning again each time. The body we nourish during a highly active period is not operating under precisely the same demands as the body recovering from illness, navigating prolonged stress, moving through menopause or entering older age with the increasingly important task of preserving muscle, bone and functional independence. The fundamentals do not disappear, but priorities, quantities, tolerances and practical strategies may shift considerably. A person who understands why those changes matter can adapt without interpreting adaptation as inconsistency, because there was never a rigid identity to defend in the first place. There was only an evolving relationship between nourishment and the life it was intended to support.

This becomes particularly important because the signals we use to judge whether a way of eating is working are not always as straightforward as they appear. Feeling better matters, but feeling better in the short term does not necessarily tell us everything about the nutritional adequacy or long-term consequences of a dietary pattern. Removing a large category of foods may temporarily simplify digestion, reduce total energy intake or eliminate foods that were contributing to discomfort, while also removing nutrients or dietary diversity that will need to be replaced thoughtfully over time. A highly restrictive diet can produce rapid weight loss partly because it sharply limits the range of foods available and changes energy intake, without necessarily providing a sensible template for the years that follow. Conversely, an approach that is physiologically sound may initially require adjustment before its benefits become apparent, particularly when someone substantially increases fibre, begins exercising after a long, sedentary period or changes the composition and timing of familiar meals. Immediate experience provides useful information, but interpreting that information requires enough patience to distinguish adaptation from intolerance, coincidence from pattern and a temporary response from a strategy that genuinely deserves reconsideration.

The same caution applies to numbers, which can provide valuable information while becoming misleading when they are treated as verdicts. Body weight is perhaps the most familiar example. It can help track change over time, yet it cannot distinguish among fat mass, lean tissue, glycogen, water and the ordinary fluctuations associated with digestion, hydration and hormonal changes. Calories describe energy, but they do not describe the nutritional quality of the foods providing it, the satiety those foods produce or the many ways their composition influences eating behaviour and physiological function. Protein targets can be useful, blood glucose measurements can reveal meaningful patterns, wearable devices can offer insight into activity and sleep, and laboratory testing can identify important areas of concern, but none of these measures becomes more informative by being separated from the person whose physiology produced it. Data are most useful when they contribute to understanding rather than becoming another collection of rules to satisfy.

This is also why learning about nutrition should not culminate in an obsession either. There is little value in escaping one rigid dietary philosophy only to become consumed by the constant optimization of every meal, biomarker and bodily sensation. A healthy relationship with food requires enough knowledge to make good decisions without demanding that every decision be perfect, because the body is remarkably capable of accommodating normal variation within an overall pattern that meets its needs. A meal eaten for pleasure does not require compensation the following day, a holiday does not erase months of supportive habits, and choosing convenience when life becomes unusually demanding does not represent a collapse of nutritional discipline. The significance of individual choices is determined largely by the pattern into which they fall, and understanding that pattern makes it possible to preserve both nutritional quality and a degree of ease around eating. The purpose of knowledge is not to create another source of anxiety, but to reduce dependence on arbitrary rules by making the reasons behind our choices more intelligible.

That perspective also changes the way we think about foods that have become morally charged through successive waves of nutrition messaging. There is a legitimate difference between a dietary pattern built primarily from minimally processed foods and one dominated by products engineered for convenience, palatability and long shelf life, but that distinction does not require dividing everything we eat into virtuous and harmful categories. Processing exists on a continuum, and many useful foods are processed in some way before they reach the table. Frozen vegetables, canned beans, tofu, whole-grain bread, fortified plant beverages and nut butters bear little resemblance nutritionally to cakes, cookies, breakfast cereals, sugary drinks and many highly refined snack foods, despite the fact that none arrives exactly as it existed in nature. The most useful question concerns what processing has done to the food, what remains nutritionally available, what has been added or removed, and how frequently the product is displacing foods that would otherwise contribute to greater nutritional value. Once again, understanding provides more useful guidance than a label.

Whole foods remain central not because they possess a purity that manufactured products lack, but because they provide nutrition in forms that have repeatedly demonstrated their value within healthy dietary patterns. Vegetables, fruits, legumes, whole grains, nuts and seeds bring combinations of fibre, micronutrients, fats, carbohydrates, protein and bioactive compounds that cannot be reduced meaningfully to a handful of numbers on a nutrition panel. Their variety matters as much as their individual reputations, because no single food needs to contain everything when a diverse diet supplies complementary nutrients across meals and days. This is an important correction to the idea of the superfood, which encourages us to concentrate disproportionate attention on individual ingredients while overlooking the pattern surrounding them. Blueberries can be nutritious without being medicinal, flaxseed can make a valuable contribution without becoming an obligation, and no exotic berry, mushroom, seed or concentrated extract needs to carry responsibility for protecting an otherwise poorly nourished body.

A predominantly plant-based way of eating makes sense to me within this broader framework because it places foods with considerable nutritional value at the centre of the diet without requiring that the label become more important than the reasoning behind it. The emphasis is on abundance and variety rather than simply the absence of animal foods, and that distinction matters. Legumes, vegetables, fruits, whole grains, nuts and seeds contribute far more to the quality of the pattern than the word plant-based printed on a package, while thoughtful attention remains necessary to nutrients that can require particular consideration depending on how exclusively animal foods are limited. Someone may choose to include small amounts of animal foods, someone else may exclude them entirely for ethical reasons, and another person may simply want plants to occupy substantially more space on the plate than they did before. Those choices can be evaluated on their nutritional merits without requiring everyone to adopt the same identity, because the objective is not conformity to a philosophy but a dietary pattern capable of supporting health.

Exercise belongs in the same conversation because nutrition is often discussed as though the body were merely a recipient of food rather than an organism whose requirements are partly created by what it is asked to do. Movement changes the equation. Muscles that are regularly challenged require resources for repair and adaptation; prolonged or demanding activity changes the need for readily available energy and fluids; recovery influences the capacity to perform again; and maintaining physical function through later life requires more than controlling body weight. A person who changes food intake without considering activity can, therefore, arrive at conclusions about nutrition that are really consequences of a mismatch between intake and demand. Restricting carbohydrates may feel entirely manageable during a period of limited activity and considerably less successful when endurance demands increase; inadequate protein may remain unnoticed until preserving or building muscle becomes a priority; chronically eating too little in pursuit of weight loss can eventually undermine training, recovery and the very lean tissue that becomes increasingly valuable with age. Nutrition and movement are not competing strategies for health but parts of the same adaptive conversation.

This is one reason the relentless focus on weight can distort the purpose of both. If food is reduced primarily to calories and exercise as a means of burning them, we lose sight of what nourishment and movement are doing beyond the scale. Resistance exercise asks the body to preserve and build tissue that contributes to strength, glucose disposal, physical resilience and the ability to continue performing ordinary tasks independently. Cardiovascular activity challenges systems responsible for delivering oxygen and supporting sustained work. Mobility, balance and coordination preserve capacities that become increasingly consequential as the decades pass. Food supplies the energy and materials required to respond to those demands. A change in body composition may emerge from that process, and for someone carrying excess adiposity it may be an appropriate objective, but becoming lighter is not synonymous with becoming healthier if the route toward a lower number also leaves the person weaker, undernourished or increasingly unable to sustain the behaviours used to achieve it.

The question of what works for an individual therefore has to be treated with some precision, because it can otherwise become another phrase that sounds empowering while meaning almost anything. Individualization does not imply that every nutritional claim becomes valid if someone feels good doing it, nor that well-established physiology principles cease to apply because each body is unique. Human beings share fundamental nutritional requirements, and there are dietary patterns and behaviours associated with better or poorer health outcomes at the population level. Individualization occurs within those boundaries. It concerns how general principles are translated into an actual life: which foods are tolerated, preferred and accessible; how much energy and protein are required; how meals fit around work and activity; whether health conditions alter particular needs; whether ethical or cultural choices exclude certain foods; and how the pattern can be adjusted without losing the nutritional foundations it is intended to provide. Personalization without principles becomes guesswork, while principles without personalization overlook the context in which they must be applied.

This is where professional guidance can be particularly valuable, not because a practitioner should become another source of permanent instructions but because good guidance can help organize information that is difficult to interpret alone. There are circumstances in which symptoms require medical assessment rather than dietary experimentation, situations in which medications alter what is appropriate, deficiencies that require investigation and therapeutic diets that should not be improvised from social media advice. There is also a considerable distance between those situations and the ordinary work of learning how to feed ourselves well. Support can help someone identify gaps, understand why certain changes are being considered and develop strategies that fit the realities of daily life, but the most useful outcome is not indefinite compliance with someone else’s plan. It is a growing capacity to understand the plan well enough that decisions become increasingly informed rather than increasingly dependent.

For me, this is where the idea of self-health acquires substance rather than remaining an appealing expression. It does not promise complete control over health, because no way of eating, exercise program or lifestyle can provide that, and it does not transfer responsibility for every illness onto the person experiencing it. Genetics, environment, socioeconomic conditions, aging, infection, chance and circumstances beyond individual control remain part of human health whether we live carefully or not. Self-health instead describes the portion of the relationship in which participation is possible: learning how the body functions, recognizing the influence of repeated choices, making use of credible professional care when it is needed and developing enough discernment to decide where our own effort is likely to matter. Nutrition occupies a particularly large part of that territory because food is encountered every day, which means that even modest improvements, sustained without extremism, have repeated opportunities to contribute.

The difficulty is that this approach cannot promise a transformation by next Tuesday. It asks people to exchange the excitement of novelty for the quieter satisfaction of competence, to become curious about cause and effect rather than continually searching for a product or philosophy that will remove the need to think about either, and to accept that a body changing over months and years may require a correspondingly patient form of attention. That proposition will probably never generate the same urgency as a photograph of a flat abdomen beside a brightly coloured sachet, but urgency has not served us particularly well. It keeps people searching, purchasing, restricting, abandoning and beginning again, often accumulating more rules without acquiring much more understanding.

There is another possibility, and it is considerably less dramatic. We can learn what food does, learn what movement asks of the body, understand enough about recovery and changing physiological demands to recognize when our needs have shifted, and build from those foundations rather than from the trend currently receiving the greatest attention. We can use supplements when they have a purpose without expecting them to become substitutes for food or behaviour, enjoy foods that contribute pleasure without pretending that every choice carries equal nutritional value, and make adjustments without interpreting them as evidence that everything we believed before was wrong. Most importantly, we can stop expecting a single dietary identity to answer questions that will continue changing as we do.

The young couple we met on the golf course may eventually decide that one recognizable dietary pattern suits them particularly well, and there would be nothing wrong with that. What would matter more is whether they understood why it suited them, whether it supplied what their bodies required, whether they could recognize when something needed adjustment and whether the approach remained capable of supporting the lives they wanted to lead. Those questions are less easily reduced to a label, but they are also far more difficult for the next advertisement, headline or dietary trend to take away. The aim is not to become impervious to new information, because good evidence should change what we know and sometimes what we do, but to develop enough understanding that new information can be considered rather than merely followed.

Perhaps that is the place from which a more enduring relationship with nutrition can begin. Not with the search for the perfect diet, the elimination of every imperfect food or the purchase of a magic powder that contains enough ingredients to compensate for the way we live, but with a willingness to understand the body we are actually feeding and the life we are asking it to support. That life will change, and the body will change with it, which is precisely why a rigid answer was never likely to serve us indefinitely. What can remain is the capacity to observe, understand and adapt, carrying forward principles sturdy enough to survive changing circumstances without becoming another set of rules. If we can learn to do that, eating well becomes less about finding the right philosophy and more about developing the knowledge to make thoughtful choices within our own evolving physiology, which may be one of the most practical forms of self-health available to us.