If possible, exercise five days a week for about an hour a day. Exercise sessions should include a mix of aerobic workouts, strength training and stretches. Fitness is needed to maintain stamina and flexibility, he said. You get stiff, and then you get old. Doctors disagree about how useful it is to take supplements such as vitamins and hormones, which can include estrogen and testosterone therapy as well as human growth hormone.
Researchers continue to study hormone therapies to see if they are linked to health risks.
Studies have suggested a link between estrogen therapy in women and breast and uterine cancer, and between testosterone therapy in men and growth in the prostate gland. Kiessling has prescribed testosterone therapy to men who have low hormone levels or symptoms of low levels. But men need to realize that taking supplemental testosterone can slow their own production of the hormone, he said. Jennett heard that information and decided not to take it. Human growth hormone is approved by the U.S. Food and Drug Administration for use by people who don't produce enough of it.