Episode 2

Michael Mosley and Zoe Williams test whether 'exercise snacking' - short bursts of exercise integrated into daily life - can be as good for your health as one long workout. Giles Yeo looks at how we can get more iron into our diet. Alain Gregoire finds out what all men need to know to protect themselves from prostate cancer. And Gabriel Weston finds out about an exciting breakthrough in gene therapy.