One of America’s most influential health gurus, and founding father of longevity research, has been accused of ‘selling snake oil’ and ‘deceiving’ the public due to fatal flaws in his studies.One of America’s most influential health gurus, and founding father of longevity research, has been accused of ‘selling snake oil’ and ‘deceiving’ the public due to fatal flaws in his studies.Read MoreHealth News | Mail Online