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Avoiding Osteoporosis Can Start Before Puberty
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An estimated 30 million American women either have or are at risk of developing osteoporosis, a condition that can lead to fragility, low bone mass, structural deterioration of bone tissue and increased susceptibility to fractures. However, researchers may have established a link between calcium and bone development that suggests efforts of avoiding the condition could start before puberty.
In a study that followed the calcium effect on bone density in over 350 girls ages 8 to 13, researchers found:
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Elevated calcium use during pre-adolescence could help prevent fractures and osteoporosis later in life, as the pubertal growth spurt accounts for nearly 40 percent of the gain in the entire adult skeletal mass.
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Calcium supplementation's effects on bone density decreased after the onset of menstruation.
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Calcium requirements differed according to body size: taller individuals need more calcium during growth than shorter individuals.
While the average calcium intake among all girls who participated in the study was 830 milligrams per day, the calcium bone density effects were found highest in the group supplemented with an additional 670mg (1500mg total). And, while the risk of developing osteoporosis is an aspect of old age, having a strong skeleton at a young age can sway the possibility of developing the condition toward better bone health in later years.
American Journal of Clinical Nutrition January 2005 Vol. 81, No. 1, 175-188
Science Daily February 1, 2005
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