https://www.valterlongo.com/wp-content/uploads/2018/02/international-business-times-logo.jpg310384wpadminhttps://valterlongo.com/wp-content/uploads/2019/09/prof-valter-longo.pngwpadmin2015-06-19 14:41:582018-02-18 23:32:18Five-Day 'Fasting Diet' Can Slow Down Aging: Study