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However, an imbalance between the resorption and formation of bone occurs as people age, contributing to the development of senile osteoporosis. The aging of cortical and trabecular bones in particular cause the decrease in bone density in the elderly population. [1]
Evidence suggests that exercise can help promote bone health in older people. [139] In particular, physical exercise can be beneficial for bone density in postmenopausal women, [140] and lead to a slightly reduced risk of a bone fracture (absolute difference 4%). [141]
Osteopenia, known as "low bone mass" or "low bone density", is a condition in which bone mineral density is low. [1] Because their bones are weaker, people with osteopenia may have a higher risk of fractures, and some people may go on to develop osteoporosis. [2] In 2010, 43 million older adults in the US had osteopenia. [3]
“Bone density describes the quality of your bone,” says Omar Atassi, M.D., assistant professor of orthopedic surgery at Baylor College of Medicine. “When we are in our 20s, most of us have ...
She says, “According to the Bone Health and Osteoporosis Foundation, about 10 million Americans have osteoporosis, and about 44 million Americans have low bone density.
Bone density declines with age. By the age of 85 years, ~70% of women and 30% of men have a osteoporosis defined as a bone density less than or equal to 2.5 standard deviations lower than young adults. [39]