Exactly. Once a method to significantly lengthen human lifespan is found, the challenge then becomes: where do the natural resources come from to support such a

Exactly. Once a method to significantly lengthen human lifespan is found, the challenge then becomes: where do the natural resources come from to support such an expanding world population. When that day of great scientific discovery arrives, we may all be on a calorie restricted diet, whether we choose to or not.