Health & Wellness
How to wash your hands properly
The simplest way to prevent disease, done right: the steps, the crucial 20 seconds, and when to use hand sanitizer. According to Mayo Clinic and the CDC.
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Health & Wellness
Habits, nutrition and wellbeing grounded in evidence.
Health & Wellness
Is breakfast important?
Is it really the most important meal of the day? What science says about breakfast, its benefits, and what a good breakfast should (and shouldn't) include.
Health & Wellness
What are vitamins?
Thirteen essential nutrients your body can't make: what vitamins are, the difference between water-soluble and fat-soluble ones, and where to get them.
Health & Wellness
Why do we yawn?
It's not just about being sleepy or short of oxygen: science points to yawning cooling the brain. And why it's so contagious.
Health & Wellness
Benefits of walking 30 minutes a day
The simplest, most accessible exercise there is. What happens to your body and mind when you walk half an hour a day, and why it's enough.
Health & Wellness
How much water should I drink a day?
Are the 8 glasses or 2 litres true? What the evidence says about how much water you need, what changes it and how to tell if you're low.
Health & Wellness
What are calories?
The unit that measures the energy in food. What a calorie is, where they come from, how many you need, and why not all calories are equal.
Health & Wellness
What is body mass index (BMI)?
How BMI is calculated, what its ranges mean, and why this widely used formula has important limits worth knowing.
Health & Wellness
Why do we get hiccups?
A spasm of the diaphragm and a valve that snaps shut: what causes hiccups, why they appear out of nowhere, and which tricks have some science behind them.
Health & Wellness
Why is good sleep important?
Sleep isn't wasted time: it's when the body and brain repair themselves. Why good sleep matters, what happens when you don't get it, and tips to sleep better.