Human body

Snot plays a powerful role in protecting us from disease – and its colour alone can provide insights into what's going on in our bodies.

Here's what the experts say about the benefits and risks of veganism in childhood.

Some people are allergic to others – but the mystery of how this works is only just starting to be unravelled.

The speed at which you walk can reveal profound insights into your brain's rate of ageing – with slower walkers having smaller brains and fundamental differences in crucial structures.

Every part of my life seemed to improve after nasal surgery, from my allergies to my mental health. Nose breathing is a superpower hidden in plain sight, writes Thomas Germain.

Grip strength is associated with a range of health outcomes, from type 2 diabetes to depression. Here’s how to check yours.

Earwax can contain valuable indicators to a person's health. Now scientists are analysing its chemistry in the hope of finding new ways of diagnosing diseases.

Your reaction times can reveal a surprising amount about what's going on inside your body, from your brain health to your risk of an early death.