BBC Radio 4 - What's Up Docs?

How much exercise should you do?

Drs Chris and Xand explore how much or how little exercise is enough for most of us?

Why have we evolved to have nails?

Can we relax about losing sleep?

Does hanger even exist?

Is willpower really a motivating force?

Chris and Xand look at how the alcohol industry may have shaped our drinking culture.

Drs Chris and Xand explore alcohol and what a good intake goal might look like.

How can we bring more nature into our homes and lives?

Chris and Xand return to embarrassment and why it’s an important social emotion.

Chris and Xand return to their episode on knees and the advice for looking after them.