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Smoking remains the number one cause of preventable death. Each year more than 440,000 people in the United States alone die from tobacco-related diseases. In fact, smokers can expect to live 7 to 10 years less than nonsmokers.
Smoking is linked to heart and respiratory diseases and to several cancers. Most people are not aware that smoking has a serious negative effect on your bones and joints.
Every tissue in the human body is affected by smoking, but many effects are reversible. By avoiding or quitting smoking, you can reduce your risk for incurring many conditions. Quitting smoking can also help your body regain some of its normal healthy functioning.
Here's what scientists have found about the relationship between smoking and musculoskeletal health.
- Smoking increases your risk of developing osteoporosis — a weakness of bone that causes fractures. Elderly smokers are 30% to 40% more likely to break their hips than their non-smoking counterparts. Smoking weakens bones in several ways, including:
- Studies have shown that smoking reduces the blood supply to bones, just as it does to many other body tissues.
- The nicotine in cigarettes slows the production of bone-forming cells (osteoblasts) so that they make less bone.
- Smoking decreases the absorption of calcium from the diet. Calcium is necessary for bone mineralization, and with less bone mineral, smokers develop fragile bones (osteoporosis).
- Smoking seems to break down estrogen in the body more quickly. Estrogen is important to build and maintain a strong skeleton in women and men.
- Smoking also effects the other tissues that make up the musculoskeletal system, increasing the risk of injury and disease.
- Rotator cuff (shoulder) tears in smokers are nearly twice as large as those in nonsmokers, which is probably related to the quality of these tendons in smokers.
- Smokers are 1.5 times more likely to suffer overuse injuries, such as bursitis or tendonitis, than nonsmokers.
- Smokers are also more likely to suffer traumatic injuries, such as sprains or fractures.
- Smoking is also associated with a higher risk of low back pain and rheumatoid arthritis.
- Smoking has a detrimental effect on fracture and wound healing.
- Fractures take longer to heal in smokers because of the harmful effects of nicotine on the production of bone-forming cells.
- Smokers also have a higher rate of complications after surgery than nonsmokers — such as poor wound healing and infection — and outcomes are less satisfactory. This is related to the decrease in blood supply to the tissues.
- Smoking has a detrimental effect on athletic performance.
- Because smoking slows lung growth and impairs lung function, there is less oxygen available for muscles used in sports. Smokers suffer from shortness of breath almost three times more often than nonsmokers. Smokers cannot run or walk as fast or as far as nonsmokers.
- Smoking can make you too thin and put you at greater risk for fractures. Nicotine signals the brain to eat less and can prevent the body from getting adequate nutrition. Having a good body weight is important for general health.
The American Academy of Orthopaedic Surgeons
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