Can foods be as potent as medicines? It's claimed garlic, beetroot and watermelon can all reduce our blood pressure – but what's the truth? Dr Chris van Tulleken investigates.
Michael Mosley finds out whether a glass of wine can protect your blood vessels from the harmful effects of junk food. Giles Yeo sets out to test home breathalyser kits. 2/3
Michael Mosley and the doctors investigate what giving up alcohol for a month really does to your health, whether massage is worth the money, and whether medical cannabis is safe. 3/3