The Gut-Brain Axis
Your gut produces 95% of your serotonin and communicates directly with your brain via the vagus nerve. What you eat literally changes your brain chemistry within hours. Processed food, excess sugar, and inflammatory foods don't just make you gain weight — they make you think and feel worse.
Foods That Boost Cognitive Function
Fatty fish, berries, nuts, dark leafy greens, and whole grains consistently show cognitive benefits in research. They reduce inflammation, support neurotransmitter production, and protect against age-related cognitive decline.
The Compound Effect
Diet's impact on health isn't about individual meals — it's about patterns sustained over years. A consistently decent diet adds years to your life and quality to your cognition. You don't need to be perfect; you need to be consistent.