Michael Rae, with his typical day's worth of precisely weighed food that comprises his calorie restricted daily diet, in the kitchen of his suburban Philadelphia home. (From the book What I Eat: Around the World in 80 Diets.) The caloric value of his day's worth of food in July was fixed at 1,900 kcals. He is 32; 5'11,5" and 114 pounds. Michael is research assistant to the theoretician and biomedical gerontologist Aubrey de Grey, and they are the coauthors of the book "Ending Aging".