Fitness
Health
Evidence-based explainers on medicine, wellbeing and public health. For general information only.
Fitness
How Long Should You Rest Between Workouts? What the Research Says
Rest is when your body actually gets stronger. Here is what research says about rest days, rest between sets and the signs you need a break, in plain language.
What Sleep Does for the Body and Mind
Nearly a third of US adults sleep less than seven hours a night. Sleep is not simply rest: it is when the body repairs itself and the brain stores what it has learned.
Nutrition
A Sensible Guide to Reading Nutrition Labels
Food labels contain useful information if you know which numbers to read first. Here is how to use them in a few seconds, and what is changing on the front of packs.
Medicine
How Vaccines Train the Immune System
Vaccines teach the body to recognize a disease before meeting it. Over the past 50 years they have saved at least 154 million lives, yet measles cases are rising again.
