Monkeys live longer on low-cal diet; would humans? (AP)

AP - Eat less, live longer? It seems to work for monkeys: A 20-year study found cutting calories by almost a third slowed their aging and fended off death. This is not about a quick diet to shed a few pounds. Scientists have long known they could increase the lifespan of mice and more primitive creatures — worms, flies — with deep, long-term cuts from normal consumption.