In this week's episode, acclaimed BBC journalist and author Dr Michael Mosley makes an appearance, as Jo gets to the bottom of intermittent fasting and the 5-2 diet. Netball star Bianca Chatfield also joins the team and convinces a few Saints players to extend themselves by hanging up the footy boots and taking on a Xtend Barre class. Plus our tech expert Vanessa guides us through the latest in fitness tracking apps, Gerald shares his best tips for beating cold sores, and the team checks out the coolest makeup looks for winter.