Your brain, your gut, and what you eat every morning

From the blog · Adam Stetzer

Five pieces this week, and they kept pulling toward the same territory: the connection between what you eat and how your brain works. Creatine and cognitive function. Eggs and Alzheimer's risk. Ozempic and eating behavior. Gut bacteria and depression. Coffee and your mood. Each one is its own story — together they're a pretty compelling case for paying attention to what you put in.

Creatine Is Not Just for the Gym: What the Research Says About Your Brain

Despite being only 2% of body weight, the brain consumes roughly 20% of the body's resting energy — and creatine is one of the key molecules it uses to regenerate that energy rapidly under demand.

Eating 5 Eggs a Week May Cut Your Alzheimer's Risk by 27 Percent — What the New Study Actually Found

Eating 5+ eggs a week was associated with a 27% lower Alzheimer's risk in a 40,000-person, 15-year cohort study — one of the strongest nutritional signals on dementia prevention to date.

Why Ozempic Works for Some People and Not Others — New Research Points to How You Eat

A 12-month Japanese study found that external eaters — people triggered to overeat by food cues in their environment — show continuously improving results on GLP-1 drugs like Ozempic, while emotional eaters do not follow the same trajectory over the same period.

Your Gut Bacteria May Be Driving Your Depression — Harvard Just Found the Missing Link

Harvard researchers traced the first complete molecular pathway from a gut bacterium to depression-linked inflammation — Morganella morganii converts a common industrial compound (DEA) into a lipid that directly triggers IL-6 cytokine release.

What Happens to Your Gut and Your Mood When You Drink Coffee Every Day

A controlled 2026 Nature Communications trial proved coffee directly reshapes gut microbiome composition — bacteria dropped during abstinence and returned on reintroduction, ruling out lifestyle correlation.

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