Doctor Javid Abdelmoneim explores the science behind drinking alcohol, including why the weekly recommended intake has been lowered and whether a nightcap can aid sleep.

Greengrocer Chris Bavin examines whether it is possible to keep meat in a diet and still remain healthy. He joins a team of scientists as they follow 40 volunteers on a groundbreaking study to find out exactly how much meat is good for people, test whether paying more for chicken makes it any better for consumption, discover a way to dramatically reduce the health risks associated with processed meats and reveal an unlikely lean supermeat that will not break the bank.