<p>Everything you need to know about stress, from how to beat it to whether it could be good for you.</p>

Instant Genius: Stress

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Physical exercise is beneficial for both body and mind, but how can hitting the gym have such a positive mental effect?

How does physical exercise help reduce stress? © Getty Images

How does physical exercise help reduce stress?

The rats were trained to operate tiny cars to get food rewards

Learning to drive can lower stress levels  in rats © University of Richmond

Learning to drive can lower stress levels in rats

Stress causes nerves in the hair follicles to release the hormone norepinephrine, a study in mice has shown.

Stress really does turn your hair grey © Getty Images

Stress really does turn your hair grey

Ommm…Arrrgh. Not everyone has positive experiences practicing meditation.

Meditation leaves me feeling more stressed. What am I doing wrong? © Getty Images

Meditation leaves me feeling more stressed. What am I doing wrong?

Life is more stressful for middle-aged people now than in the 1990s, a study has found.

The wrong time to be fifty: middle-aged people are more stressed in the 21st Century

Everything you need to know about stress, from how to beat it to whether it could be good for you.