Health
Evidence-based healthy-lifestyle guides: how much sleep adults need, daily steps for health, stress, habits, and preventive basics.
- How Much Sleep Do Adults Actually Need?Evidence-based sleep targets for adults: how many hours of sleep most adults need, why a consistent schedule matters as much as duration, and what the research says about too little and too much.Read the guide
- How Many Steps a Day Do Most Adults Really Need?What the research actually says about daily steps and health: where the benefits begin, the realistic target by age, and whether 10,000 steps a day is really necessary or just a marketing slogan.Read the guide
- Alcohol Risk by Age: How the Picture Shifts Across LifeAlcohol-related health risk is not one number. It is a set of curves that shifts across young adulthood, midlife, and older age, and the older 'moderate drinking is heart-healthy' picture has weakened. Here is what the evidence says.Read the guide
- Exercise for Depression: What the Evidence Actually SaysExercise has consistent, moderate-sized antidepressant effects in randomised trials, but the evidence base has known quality limits and major guidelines treat it as an option or adjunct, not a replacement for clinical care. Here is a calm, sourced summary.Read the guide
- Smoking Cessation: What Actually Helps People QuitQuitting smoking is the single highest-yield change most people who smoke can make for their long-term health, the body recovers along a documented timeline, and the most effective approach combines behavioral support with FDA-approved medication. Here is a calm, sourced walkthrough, including an honest read of the contested e-cigarette evidence.Read the guide
- How the Body Uses Energy: Calories, Carbs, Fat, and Protein ExplainedA calm, sourced explainer on how the body uses energy: what a calorie really is, where daily energy goes (resting metabolism, digestion, and activity), how carbohydrate, fat, and protein are burned and stored, what fuel the body burns at rest versus exercise, and where body fat actually goes when it is lost.Read the guide