There's nothing "obvious" about aging, and we don't even understand how or why calorie restriction works [1]. [1] https://en.wikipedia.org/wiki/Calorie_restric

There's nothing "obvious" about aging, and we don't even understand how or why calorie restriction works [1]. [1] https://en.wikipedia.org/wiki/Calorie_restriction#Mechanisms https://en.wikipedia.org/wiki/Calorie_restriction#Mechanisms