When former President Ronald Reagan fell and broke his hip at the age of 89, he joined a group of more than 350,000 elderly Americans who fracture their hips each year.

美国前总统罗纳德·里根在89岁时摔倒摔伤臀部，他加入了每年有35万多名髋部骨折的美国老年人的行列。

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And only 33% of non-hip-fracture and 60% of hip-fracture patients had received appropriate treatment for osteoporosis.

BBC: Elderly falls 'badly managed by NHS'

As a result, smokers at age 70 are 41% more likely to suffer a hip fracture than non-smokers.

CNN: Dangers on the Home Front

Taking Premarin for seven years seems to have increased the risk of stroke and decreased the risk of hip fracture.

FORBES: Wyeth Lucks Out On Hormone Study