The Health Expert: The One Food (WE ALL EAT) That's Killing Us Slowly: Max Lugavere | E223

Lugavere distinguishes naturally occurring sugars in whole fruits from added sugars concentrated into ultra-processed foods and drinks. The average adult consumes ~77g (about 20 teaspoons) of added sugar daily, mostly from hidden sources like breads, sauces, and coffee drinks. These foods are engineered to hit a ‘bliss point’ that overwhelms self-control and contribute to widespread glucose dysregulation and obesity. Action: Read ingredient lists, avoid products with long, unrecognizable ingredients, and treat ultra-processed, sugar-laden foods as rare exceptions rather than staples.

Highly snackable foods like Pringles are designed with low protein, low fiber, and minimal water content, making them easy to overeat and minimally filling. In contrast, high-protein foods, fiber-rich plants, and high-water foods (fruits, vegetables, many animal foods) stretch the stomach, modulate hunger hormones, and naturally limit intake. Action: Build meals around quality protein (meat, fish, eggs, Greek yogurt), generous vegetables, and whole fruits; be wary of dry, low-protein snack foods that bypass your satiety signals.

The ketogenic diet dramatically alters brain biochemistry by supplying ketones as an alternative fuel when glucose metabolism is impaired—as seen in epilepsy, traumatic brain injury, and Alzheimer’s disease. Studies show symptom improvements in some dementia patients and promise in certain mental illnesses, yet adherence is difficult and unnecessary for general weight loss or prevention in healthy people. Action: Consider medically supervised ketogenic strategies in specific neurological or metabolic conditions, but prioritize sustainable, whole-food diets for the general population.

Citing large observational datasets (e.g., UK Biobank) and work from Deakin University’s Food and Mood Center, Lugavere notes associations between animal food intake and lower risks of dementia and depression, particularly with red meat consumption in recommended amounts. Animal foods provide choline, B12, iron, zinc, and high-quality protein—nutrients often underconsumed and harder to obtain from vegan diets. Action: If you avoid animal products, deliberately replace these nutrients; if you include them, favor minimally processed meat, fish, eggs, and dairy in the context of an otherwise high-quality diet.

Chronic, modern stress (work, media, money, toxic relationships) keeps cortisol elevated, driving fat storage toward the abdomen (visceral fat) and promoting inflammation, cardiovascular risk, and reduced brain volume. Lugavere highlights that an “apple-shaped” body with thin limbs often reflects chronic stress biology rather than just excess calories. Action: Address root causes where possible (work, relationships), and build resilience with exercise, hormetic stressors (sauna, cold exposure), social connection, and better sleep instead of self-medicating with sugary comfort foods.

Lugavere recommends eating your last meal 2–3 hours before bed and avoiding heavy, protein-dense meals right before sleep to support body-temperature drops and restorative processes. He also advises delaying breakfast 60–90 minutes to let melatonin fully subside and cortisol peak naturally, and getting bright outdoor light soon after waking to anchor your internal clock. Action: Shift late-night eating earlier, front-load light exposure in the morning, limit caffeine later in the day, and experiment with a defined eating window that fits your lifestyle.

Animal studies show that enriched environments dramatically increase markers of neurogenesis versus monotonous confinement. Lugavere connects this to human experience: repetitive routines lead to habituation, blunted dopamine responses, and the subjective sense that time is speeding up and joy is fading. Action: Travel when possible, vary your gym, commute, or grocery store, take up new hobbies, alter your environment, and periodically break routines with meaningful new experiences to maintain engagement and cognitive flexibility.