Michael Mosley and the doctors delve once again into the confusing world of health claims. In this programme, they recruit over 200 volunteers to test a surprising way to cure food cravings, while Michael tries a new technique to beat the habits we find hardest to kick. Dr Chris van Tulleken looks at whether organic food is better for your health, whilst surgeon Gabriel Weston investigates a potentially groundbreaking new treatment for cancer and Dr Saleyha Ahsan shows how to spot a stroke before it happens.