Benefit of Smoking

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1. Smoking lowers risk of knee-replacement surgery 

While smokers might go broke buying a pack of cigarettes, they can at least save money by avoiding knee-replacement surgery. Surprising results from a new study have revealed that men who smoke had less risk of undergoing total joint replacement surgery than those who never smoked. 

The study, from the University of Adelaide in Australia, appears in the July issue of the journal Arthritis & Rheumatism. What could be the connection? Knee-replacement surgery was more common among joggers and the obese smokers rarely jog and they are less likely to be morbidly obese. 

After controlling for age, weight and exercise, the researchers were at a loss to explain the apparent, albeit slight protective effects of smoking for osteoporosis. It could be that the nicotine in tobacco helps prevent cartilage and joint deterioration. 

2. Smoking lowers risk of Parkinson's disease 

Numerous studies have identified the uncanny inverse relationship between smoking and Parkinson's disease. Long-term smokers are somehow protected against Parkinson's and its not because smokers die of other things earlier. 

The most recent, well-conducted study was published in a March 2010 issue of the journal Neurology. Far from determining a cause for the protective effect, these researchers found that the number of years spent smoking, more so than the number of cigarettes smoked daily, mattered more for a stronger protective effect. 

Harvard researchers were among the first to provide convincing evidence that smokers were less likely to develop Parkinson's. In a study published in Neurology in March 2007, these researchers found the protective effect wanes after smokers quit. And they concluded in their special scientific way that they didn't have a clue as to why. 

3. Smoking lowers risk of obesity 

Smoking — and, in particular, the nicotine in tobacco smoke — is an appetite suppressant. This...
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