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An often-asked question posed by parents to their pediatricians concerns the use of weights by preteens to increase their strength and bulk. The questions that are usually asked are first whether weight-lifting in children before they've reached puberty is actually helpful and secondly, can this activity be harmful? Some answers to these questions were given by speakers at a meeting of the American Medical Society for Sports Medicine.
Over the years, the impression among physicians has been that a certain adequate amount of circulating androgens (male hormones) are necessary before strength can be gained through weight training. This level of androgens occurs at the …