Quote:
Originally Posted by Jayde
Suzanne, you made a very important distinction. Calorie restriction with junk foods cannot compare to calorie restriction with nutritious foods. A quote from the article:
"Calorie restriction is associated with longevity only when it is coupled with optimal nutrition," Fontana says in the news release."
I suspect by "optimal" they mean that there are no deficiencies in any essential nutrients rather than the best possible nutrition. The diet has to contain everything required for survival. I know the sort of rat chow they use in the animal studies is far from an "optimal" diet.
Would you live significantly longer on a "calorie restriction" diet from McDonald's vs. the same calorie count of home cooked all organic foods? I doubt it. The dramatic life extention is the result of discrete biochemical pathways being turned on and off. The low calorie diet is the signaling factor.