Manuel Uribe Garza (born June 11, 1965), a 42-year-ol man from Monterrey, Mexico, is one of the heaviest people in medical history. After reaching a peak weight of around 560 kg (1,232 lb or over 88 stone) and being unable to leave his bed since 2001, Uribe lost considerable weight with the help of doctors and nutritionists, and by following the Zone diet.