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Bone strength in young women is affected more by exercise than by calcium intake according to a Penn State College of Medicine study. Most bone mass building occurs between the ages of 13 and 15 and loss occurs during the last four decades of life. The study also finds that use of contraceptives does not affect bone density in any noticeable way.
Source: summary of medical news story as reported by Medical News
About: Healthy adolescent bones rely more on exercise than calcium intake
Date: 9 June 2004
Source: Medical News
Author: Valerie Gliem
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