"Their health had almost nothing to do with what they were eating" -- It's good to be young, isn't it? As you get older, the effects of what you put into your body become more immediate, even when you exercise.

Still, most diet advice is useless. Here's the only advice you need: "Eat food. Not too much. Mostly plants." Quoted from a NYT article: http://www.nytimes.com/2007/01/28/magazine/28nutritionism.t....