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How do bones change over time?

Dr. Vonda Wright, MD
Orthopedic Surgery
Our bones are made of a dense outer cortex and a spongy inner matrix of boney arches and bridges called trabeculae. When we age, we lose a number of these trabeculae. After age 40, women lose bone twice as fast as men at a range of 1.5 -- 2 percent per year. This rate increases to 3 percent per year after menopause. Loss of bone density can lead to frailty and disability because of fractures.
Fitness After 40: How to Stay Strong at Any Age

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Fitness After 40: How to Stay Strong at Any Age

It's one of the undeniable facts of life. After we reach a certain age, our bodies change. No matter how fit we may have been at 20, we're very different people after 40. But growing older doesn't...

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.