How To Lose Weight Well: Get Fit For Summer, 8pm

WILL the mushroom diet help Katy to slim down for her wedding in two weeks? And can Joe tone up in four months with the help of the Okinawa diet? Doctors Xand van Tulleken (pictured) and Helen Lawal road test assorted well-known diets, as well as wackier weight-loss methods. The sleep diet anyone?