We are living longer than ever before. But with that longevity are we living better lives than our predecessors? With obesity and mental health problems on the rise, how can we make our longer lives younger lives?

The team uncovers alarming evidence that drinking alcohol can lead to cancer. But can the damage be reversed? Shalin quits booze for a month with surprising results, and Sandro road-tests confronting warning labels.

Sandro submits to a humiliating stress test, Caroline discovers how school students can manage their moods, and Shalin explores the science of 'comfort food'.