Countering the Effects of Aging

From getting glasses for the first time to gaining weight, seeing thinning hair, and — for women — having hot flashes, the 40s can be a time of surprising physical changes. You may also notice another burst of physical changes that usher in a loss of strength and increased susceptibility to chronic disease in your early 60s. That's the conclusion of a new Stanford University study that found that for many people, aging happens in sudden bursts around age 45 and age 60. Molecular changes the researchers found around age...