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Exercising Early in Life Reduces Diabetes Risk Later

The findings, based on 300 children whose insulin resistance was monitored annually from ages 9 to 16, may indicate that reducing the peak in insulin resistance in adolescence lessens the strain on insulin-producing cells and reduces the risk of diabetes later in life, researchers said. Insulin resistance rises dramatically from age 9 to 13 years, then falls to the same extent until age 16. “Our study found that physical activity reduced this early-teenage peak in insulin resistance, but had no impact at age 16,” study author Brad Metcalf, Ph.D., a senior lecturer in physical activity and health at the University of Exeter in the United Kingdom, said in a university news release. “A reduction in this peak could lessen the demand on the cells that produce insulin during this critical period, which may preserve them for longer in later life.” — Diabetologia 8-2015