Sleep
How Caffeine Works: Adenosine Receptors, Tolerance, and What the Research Shows
How caffeine blocks adenosine receptors to reduce sleepiness, why tolerance develops, what the caffeine crash actually is, and what research shows about performance and safety.
BeginnerLate-Night Cravings Guide: How to Stop One Snack From Turning Into a Full Overeat
A practical nighttime decision framework to reduce reactive eating and improve next-day consistency.
BeginnerNight Shift Eating Guide: How to Structure Meals When Your Schedule Is Irregular
A practical meal-timing and food-choice framework for shift workers and irregular schedules, designed to reduce energy crashes and appetite rebound.
BeginnerWhat Magnesium Does in the Body: 300 Enzyme Reactions and Why Most People Don't Get Enough
Magnesium is involved in over 300 enzyme reactions including ATP synthesis and DNA replication. Most people fall short. Here's why it matters.
Beginner