https://www.valterlongo.com/wp-content/uploads/2018/02/the-telegraph-logo.jpg310384Valter Longohttps://valterlongo.com/wp-content/uploads/2019/09/prof-valter-longo.pngValter Longo2015-06-18 14:47:282020-07-24 07:47:29Five day 'fasting' diet slows down ageing and may add years to life