The Photovoltaic Podcast
Andrew Wren sits down with prominent figures in the naturopathic field to review nutritional topics from a electromagnetic nutritional and photovoltaic viewpoint
The Photovoltaic Podcast
Read through the - The Craving Conundrum Why Modern Life Makes It So Difficult to Resist Temptation article
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Welcome to this week's edition of The Living Terrain Journal.
Have you ever found yourself reaching for chocolate, biscuits or crisps, even though you know you're not really hungry?
In this week's feature, The Craving Conundrum, we explore the fascinating science behind food cravings and discover why they may be influenced by far more than willpower alone. From stress and sleep to blood sugar, the gut–brain connection and our modern food environment, this is a fresh look at one of the most common experiences we all share.
I hope you enjoy this week's article.
The Craving Conundrum. Why modern life makes it so difficult to resist temptation? It is half past nine on a Tuesday evening. Dinner has long since been cleared away. The washing up is done. The television is on in the background, although you are barely watching it. You are not really hungry. In fact, if somebody asked whether you wanted another meal, you would almost certainly say no. Yet, almost without thinking, you find yourself standing in front of the kitchen cupboard. You hesitate for a moment before opening the door. Chocolate, biscuits, crisps, perhaps a handful of nuts, perhaps something sweet. Almost anything will do. The question is, why? It is a situation that millions of people recognize instantly. We promise ourselves that today will be different. We make a conscious decision to eat more healthily. We enjoy a balanced evening meal and genuinely feel satisfied. Then, seemingly from nowhere, the desire for something else appears. For many years, these moments have been explained away as a lack of willpower. We just need more discipline. We should simply learn to say no. But what if we have been asking the wrong question all along? What if cravings are not simply a failure of self-control, but part of a much bigger story about the way modern life has changed the relationship between our bodies, our brains, and the food that surrounds us every day? Increasingly, researchers are beginning to suspect exactly that. Perhaps the first thing to appreciate is just how dramatically our relationship with food has changed within the lifetime of a single generation. Our grandparents certainly enjoyed treats. Cakes were baked, sweets were bought, fish and chips on a Friday night were something to look forward to. The difference was that temptation had boundaries. Food largely lived in the kitchen. Meals happened at roughly the same time each day. Most shopping involved a local grocer, butcher, or market. If you wanted cake, someone usually had to make one. Today, food has escaped the kitchen. It follows us everywhere. It greets us at the petrol station, waits beside the supermarket checkout, appears between videos on social media, fills the shelves of every convenience store, and arrives at our front door with a few taps on a mobile phone. Coffee is no longer simply coffee. It has become caramel, whipped cream, syrups, and sweetened toppings. Breakfast has become something eaten in the car. Lunch is squeezed between meetings. Evening meals are increasingly interrupted by notifications, emails, and television. At no point in history has food been so constantly available, so heavily advertised, or so carefully engineered to capture our attention. Perhaps it should not surprise us that resisting temptation has become increasingly difficult. The remarkable thing is that we often blame ourselves. Walk through almost any supermarket, and you begin to realize something rather fascinating. The foods that most people struggle to resist are rarely the foods that require preparation. Few people find themselves desperately craving steamed broccoli. Very few experience an overwhelming urge for lentils. Almost nobody admits to secretly opening the fridge at 10 o'clock at night in search of another helping of cabbage. Instead, cravings tend to gravitate towards foods that are rich in combinations of sugar, refined starch, fat, and salt. That observation has fascinated scientists for decades. Is it simply because these foods taste nice? Or is something more complicated taking place? Researchers are increasingly exploring whether many modern foods stimulate reward pathways within the brain in ways that our ancestors rarely encountered. Rather than existing in isolation, sweetness, creaminess, crunch, aroma, and texture are carefully combined to create foods that are exceptionally pleasurable to eat. Food manufacturers openly acknowledge the importance of what they describe as palatability. Their aim is not merely to create food that satisfies hunger, but food that consumers actively look forward to buying again. There is nothing inherently sinister about making food enjoyable. Sharing meals has always been one of life's pleasures. However, many scientists are now asking whether the modern food environment has become so successful at stimulating appetite that our biology is finding it increasingly difficult to distinguish genuine hunger from the simple desire to continue eating. That distinction may be more important than it first appears, because hunger and cravings are not necessarily the same thing. True hunger usually arrives quietly. It develops over time. Perhaps your stomach begins to feel empty, your concentration starts to drift. Energy gradually fades, and a meal begins to sound appealing. Cravings behave rather differently. They can appear within seconds. They often demand one particular food and one food only. A full roast dinner may hold little appeal, yet the thought of chocolate suddenly becomes almost impossible to ignore. Something very different appears to be driving that experience. And this is where the story becomes considerably more interesting. For many years, nutrition was largely viewed through the lens of calories, vitamins, and minerals. Whilst these remain fundamental, modern research is revealing a far more intricate picture. Appetite is influenced not only by what we eat, but by how we sleep, how we cope with stress, the rhythms of our day, our previous experiences, our emotions, our environment, and even the microorganisms that live within our digestive system. Perhaps the most surprising discovery is that the body is not simply responding to food, it is responding to information. Signals travel continuously between the brain, the digestive system, hormones, nerves, and individual cells, helping to regulate appetite, energy balance, and behavior. Rather than a single on-and-off switch controlling hunger, scientists now describe an extraordinarily complex communication network that is constantly adapting to the world around us. Seen in that light, a craving may not be a simple demand for chocolate at all. It may be one small part of a much larger conversation taking place within the body. And perhaps that conversation begins long before we ever open the cupboard door. Why are so many of us feeling exhausted? Exploring the modern energy crisis. Lately, it feels as though more and more people are simply running on empty, not just a little tired, but deeply exhausted in a way many struggle to properly explain. You hear it constantly now. Friends mention it in conversation. Clients speak about it in clinics. Colleagues joke about surviving on caffeine and poor sleep. Even people who outwardly appear healthy and successful often quietly admit they feel permanently drained underneath it all. Many describe waking already exhausted before the day has even properly begun. Others talk about feeling mentally overstimulated, yet physically depleted at the same time. Some say they no longer feel genuinely refreshed even after sleep or rest. And perhaps most concerning of all, this state has become so normalized that many people no longer remember what true energy and recovery actually feel like. For increasing numbers of individuals, the morning now begins not with natural alertness, but with stimulation. Phones are checked before getting out of bed. Artificial light replaces sunrise. Breakfast is skipped or rushed. Coffee becomes essential rather than occasional. Stress begins before the day has even properly started. Then comes the endless stimulation of modern life. Emails, screens, notifications, traffic, processed foods, financial pressure, information overload, poor sleep, and long periods indoors beneath artificial lighting all quietly place continuous demands upon the nervous system. By evening, many people feel physically exhausted, yet mentally unable to fully switch off. The body feels depleted, while the mind remains restless and overstimulated. Increasingly, researchers and complementary health practitioners are beginning to ask whether modern living itself may be placing demands upon human physiology that the body struggles to continuously adapt to over time. Because the modern environment is unlike anything previous generations experienced. For most of human history, people lived according to natural rhythms. Light and darkness regulate sleep. Physical movement formed part of daily life. Food was slower, simpler, and less processed. Time outdoors was unavoidable rather than optional. Today, many individuals spend most of their lives indoors, disconnected from natural daylight, seated for long periods, overstimulated by information, and dependent upon highly processed convenience foods designed more for speed than nourishment. At the same time, opportunities for genuine recovery appear to be shrinking. Sleep researchers continue exploring the importance of circadian rhythm, melatonin regulation, and natural light exposure. Nutritional researchers increasingly investigate blood sugar instability, stimulant dependency, ultra-processed diets, and hydration imbalance within broader discussions surrounding fatigue and metabolic well-being. Within broader systems-based well-being discussions, some complementary health practitioners also explore whether modern exhaustion may involve deeper questions surrounding cellular energy regulation itself. One area often discussed within traditional nutritional and terrain-based thinking is the importance of mineral balance, hydration, and the sodium-potassium relationship within the body. Every living cell depends upon what is known as the sodium-potassium pump, an energy-dependent mechanism that helps regulate cellular electrical balance, fluid movement, nutrient transport, and communication across the cell membrane. Some practitioners believe this relationship may be particularly important when considering why certain individuals feel persistently depleted, foggy, flat, or unable to properly switch on physically or mentally. Within some traditional and complementary health perspectives, discussions surrounding alkalinity, mineral balance, hydration, and cellular resilience are often linked to this broader concept of vitality and energy regulation. The theory proposes that when the body is exposed to chronic stress, poor recovery, processed diets, dehydration, stimulant overuse, sleep disruption, and nervous system overload, efficient cellular balance may become increasingly difficult to maintain. Whether viewed through the lens of electrolyte physiology, metabolic stress, hydration science, or broader terrain-based interpretation, many practitioners believe modern people may simply be living in a near-constant state of physiological overload. This may help explain why so many individuals now feel trapped within cycles of caffeine dependence, energy crashes, poor recovery, disrupted sleep, mental fatigue, and nervous system exhaustion. The body appears caught between overstimulation and depletion simultaneously. Hydration itself is also increasingly viewed as more complex than simply drinking water alone. Researchers continue examining the relationship between electrolytes, cellular hydration, membrane function, mineral status, and energy metabolism. Magnesium, potassium, sodium, calcium, and trace minerals are now frequently discussed within conversations surrounding sleep quality, muscular tension, nervous system regulation, and fatigue patterns. At the same time, modern dietary habits may further contribute to the problem. Meals are often rushed, inconsistent, or heavily reliant upon refined carbohydrates and ultra-processed foods that create rapid blood sugar highs followed by equally rapid crashes. For some individuals, the result becomes a constant search for the next source of stimulation simply to maintain momentum throughout the day. And yet, despite all the convenience, technology, and advancements surrounding us, many people appear more exhausted than ever before. Perhaps this is why conversations surrounding recovery, circadian rhythm, hydration, mineral balance, sunlight exposure, nervous system regulation, slower living, and reconnection with natural rhythms are now resonating so strongly with the public. People instinctively feel something is out of balance. Within electromagnetic nutrition perspectives, some practitioners choose to explore whether the body may function most effectively not through constant stimulation, but through rhythm, recovery, nourishment, movement, hydration, restorative sleep, and greater alignment with natural environmental patterns. Importantly, persistent fatigue is highly complex and should never be oversimplified. Medical conditions, sleep disorders, nutritional deficiencies, hormonal changes, mental health factors, emotional stress, and many other influences may contribute to ongoing exhaustion. Appropriate medical support should always be sought where symptoms are persistent or concerning. However, perhaps one of the most important questions modern well-being discussions are now beginning to ask is this. What happens to human physiology when the body is constantly stimulated but rarely truly restored? Because maybe the real modern energy crisis is not that people are weak. Maybe modern life itself has simply become profoundly exhausting. The encouraging part is that many of the lifestyle patterns discussed throughout this article are not necessarily fixed or irreversible. Increasingly, both researchers and complementary health practitioners are exploring whether small but consistent improvements in recovery, nourishment, hydration, sleep quality, and daily rhythm may help support broader feelings of energy, resilience, and well-being over time. For many individuals, one of the most important starting points may simply be slowing down enough to properly support the body again. This may involve prioritizing more consistent sleep patterns, reducing excessive evening screen exposure, improving hydration awareness, increasing time outdoors and natural daylight exposure, reducing reliance upon ultra-processed convenience foods, and creating more balanced meal timing throughout the day. Nutritionally, many practitioners encourage a more whole food-based approach centered around quality proteins, vegetables, mineral-rich foods, healthy fats, fiber, and more stable blood sugar support. Foods naturally rich in magnesium, potassium, trace minerals, omega oils, and antioxidants are frequently discussed within broader well-being conversations surrounding recovery and nervous system support. Within complementary health discussions, some practitioners also choose to explore whether targeted food supplements may provide additional support where dietary patterns, stress levels, recovery demands, or lifestyle pressures appear particularly high. Commonly discussed supplements within broader energy and recovery conversations may include magnesium, broad spectrum mineral formulas, omega-3 oils, B vitamins, electrolyte support, vitamin D, phospholipids, adaptogenic herbs, and digestive support approaches where appropriate. Importantly, no supplement should be viewed as a replacement for proper medical care, restorative sleep, balanced nutrition, or sustainable lifestyle change. Human fatigue is highly complex, and there is rarely a single magic solution. At the same time, many people report that when they begin supporting the body more consistently through nourishment, hydration, rhythm, recovery, movement, and reduced overstimulation, they often feel more resilient, clearer mentally, and better able to cope with the pressures of modern life. Perhaps genuine energy does not come purely from stimulation after all. Perhaps it comes from supporting the body's ability to recover, regulate, restore, and maintain balance over time. If stress and sleep shape the way we eat, another fascinating area of research suggests that our environment may be influencing our choices long before we ever experience a craving. Walk through a modern town center and take a moment to notice how often food competes for your attention. Fresh pastries greet you as you enter the supermarket. Coffee shops tempt you with seasonal drinks and cakes. Brightly colored meal deals line the shelves of convenience stores. Advertisements appear between social media posts, television programs, and online videos. Without realizing it, many of us make hundreds of food-related decisions every single day. Behavioral scientists refer to these as food cues, subtle prompts within our surroundings that encourage us to think about eating, regardless of whether we are physiologically hungry. From an evolutionary perspective, this is hardly surprising. For most of human history, food was uncertain. Finding energy-rich foods improved the chances of survival. The human brain, therefore, evolved to notice opportunities to eat whenever they appeared. The difficulty is that our biology has changed very little, whilst our environment has changed beyond recognition. Today, opportunities to eat are almost limitless. In many respects, our ancient survival mechanisms are operating within a world they were never designed for. Perhaps this explains why so many people describe eating almost automatically. They open a packet of biscuits whilst making a cup of tea. They snack during a film without remembering reaching into the bowl. They finish a family sized bag of crisps whilst driving home from work. The food often disappears before conscious thought has caught up. Researchers increasingly describe this as automatic eating, where habits and environmental cues can override deliberate decision making. It is not that conscious choice disappears altogether, but rather that much of our eating behavior takes place on what psychologists describe as autopilot. This brings us to one of the most talked-about subjects in nutrition today, ultra-processed foods. The phrase itself has become increasingly familiar, yet many people remain unsure what it actually means. Ultra-processed foods are not simply foods that have been cooked or packaged. Rather, they are products that often contain ingredients, flavorings, emulsifiers, stabilizers, and manufacturing techniques designed to improve convenience, shelf life, texture, and palatability. It is important to acknowledge that not all ultra-processed foods are identical, nor should every packaged food be viewed negatively. However, growing scientific interest centers on whether some of these products influence eating behavior in ways that extend beyond their calorie content alone. Large reviews published over the past two years have explored whether factors such as texture, speed of eating, energy density, and the combination of sugar, refined starches, and fats may all influence appetite regulation and satiety. Some researchers suggest that these foods can be consumed more quickly than minimally processed alternatives, often before the body's natural fullness signals have had time to respond. Others are investigating how repeated exposure may strengthen reward learning, making certain foods increasingly attractive over time. The science continues to evolve, and many important questions remain unanswered. What is becoming increasingly clear, however, is that the conversation has moved well beyond calories alone. Researchers are now asking not only how much we eat, but why particular foods encourage us to continue eating even after our immediate hunger has passed. Perhaps one of the most exciting developments in recent years has been the growing understanding of the conversation taking place between the digestive system and the brain. For decades, the gut was largely viewed as an organ responsible for digestion. Today, scientists describe it as an extraordinarily complex communication center. Trillions of microorganisms inhabit the digestive tract, forming what we now refer to as the gut microbiome. Together, they participate in digestion, influence immune function, produce a variety of biologically active compounds, and communicate continuously with the nervous system through hormonal, immune, and neural pathways. This has given rise to the term the gut brain axis. Although this field of research is still developing, scientists are increasingly exploring whether changes within the gut microbiome may influence appetite, food preferences, mood, and even aspects of behavior. Much remains to be discovered, and many headlines have moved ahead of the evidence. Nevertheless, the speed with which this area of science is advancing has been remarkable. From an electromagnetic nutrition perspective, this growing appreciation of communication within the body is particularly interesting. For many years, we have tended to think of organs as separate structures, each performing individual tasks. Increasingly, modern physiology paints a different picture. The body appears less like a collection of isolated organs and more like an integrated network of constant communication. Hormones communicate. Nerves communicate. Cells communicate, the immune system communicates, the microbiome communicates. Everything appears to be engaged in an ongoing conversation, responding moment by moment to changes both inside and outside the body. Perhaps this is one of the most important shifts taking place within modern health science. Rather than asking which single system has gone wrong, researchers are increasingly asking how multiple systems interact, adapt, and influence one another over time. And perhaps food cravings deserve to be viewed in exactly the same way, not as an isolated event, but as one voice within a much larger conversation taking place throughout the body's living terrain.