Aging May Be Reversible: Researchers Rejuvenate Older Mice

The researchers also used the method to treat mice with a rare disease that causes them to age prematurely and die early, and found that the method increased the animals' lifespan by 30 percent. "Our study shows that aging may not have to proceed in one single direction," study researcher Juan Carlos Izpisua Belmonte, a professor in Salk Institute's Gene Expression Laboratory in La Jolla, California, said in a statement. "Obviously, mice are not humans and we know it will be much more compl