Heart disease and cancer are the top two killers in the U.S. So here's a question for you: Suppose you had your choice. You could dramatically reduce your chance of ever having cancer or heart disease. Or you could slow down your rate of aging.

If you’re struggling to keep your weight down, what type of diet should you use?

Jack was having a lot of problems. And no one was helping. And that’s bad enough. Jack was 83 years old.