WASHINGTON -- Staying active increases the chances that a person with diabetes will stay alive, a study finds.\r
Janet Thornburg pedals her way up a steep Georgia mountain. The sweat drips from her forehead as she leads other cyclists past the thick, dark woods. "C'mon guys! Five more seconds!" she shouts. The mountain is imaginary, but the burning muscles are real. Another Spinning session is under way at Health Central.
CHICAGO -- Taking brisk, half-hour walks just six times a month appeared to cut the risk of death by 44 percent among twins in a study researchers say is the first to separate the influences of heredity and exercise on longevity. The study tracked almost 16,000 healthy men and women in a national registry of twins in Finland for an average of 19 years. The authors, led by Dr. Urho M. Kujala of the University of Helsinki, reported their findings in Wednesday's issue of The Journal of the American Medical Association.