Causes of Osteoporosis

Smoking
Bone loss is more rapid, and rates of hip and vertebral fractures are higher, among people who smoke, although more research is needed to determine exactly how smoking damages bone. Tobacco, nicotine, and other chemicals found in cigarettes may be directly toxic to bone, or they may inhibit absorption of calcium and other nutrients needed for bone health.
 
Quitting is the ideal approach, as smoking is harmful in so many ways. As with alcohol, it is not known whether quitting smoking leads to reduced rates of bone loss or to a gain in bone mass.
 
Gastrointestinal Disorders
Several nutrients -- amino acids, calcium, magnesium, phosphorous, and vitamins D and K -- are important for bone health. Diseases of the stomach and intestines can lead to bone disease when they impair absorption of these nutrients. In such cases, treatment for bone loss may include taking supplements to replenish these nutrients.
 
Hypercalciuria
Hypercalciuria is a disorder that causes too much calcium to be lost through the urine, which makes the calcium unavailable for building bone. People with hypercalciuria should talk to their healthcare provider about having a BMD test and, if bone density is low, discuss treatment options.
 
Immobilization
Weight-bearing exercise is essential for maintaining healthy bones. Without it, bone density may decline rapidly. Prolonged bed rest (following fractures, surgery, spinal cord injuries, or illness) or immobilization of some part of the body often result in significant bone loss. It is crucial to resume weight-bearing exercise (such as walking, jogging, dancing, and lifting weights) as soon as possible after a period of prolonged bed rest. If this is not possible, you should work with your healthcare provider to minimize other risk factors for osteoporosis.
 
Men and Osteoporosis

Information on Osteoporosis

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