Why exercise gets harder with age

There is a reason why people feel they have to exercise harder as they age to get the same results, scientists say. A US team found a system that boosts muscles fails with age, leading to the need for increased efforts, the paper in Cell Metabolism reported. The finding could also help foster an understanding of type 2 diabetes, which is linked to ageing, the study said. But a UK expert said there was little point in people exercising harder, as muscle function could not be regained. ... Continue Reading

Why Do Women Tend To Live Longer Than Men? Biologist's Model Offers New Ways To Study Gender Differences In Aging

A provocative new model proposed by molecular biologist John Tower of the University of Southern California may help answer an enduring scientific question: Why do women tend to live longer than men? That tendency holds true in humans and many other mammals as well as in the much-studied fruit fly Drosophila melanogaster. ... Continue Reading

Exercise Pivotal In Preventing And Fighting Type II Diabetes

One in three American children born in 2000 will develop type II diabetes, according to the U.S. Centers for Disease Control and Prevention (CDC). A new study at the University of Missouri-Columbia says that acute exercise - as little as 15 minutes a day - can have a profound influence on preventing and fighting the disease. ... Continue Reading

Caloric Restriction Comes in a Pill

Scientists have provided the strongest evidence yet that the anti-aging benefits of calorically restricted diets can be duplicated -- minus the near-starvation -- by a pill. ... Continue Reading