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In a recent study, Panayiotis Zavos, Ph.D, director of the Andrology Institute of America, analyzed a total of 290 male patients between ages of 24 and 36 who were seeking treatment for infertility. All the subjects were married to nonsmokers, and except for their smoking habits, all had similar health histories (the smokers had averaged 37.6 cigarettes a day for more than 7 years.) The 132 men in the nonsmoking group had never smoked. Zavos data confirmed the results of earlier studies demonstrating
that smoking harms sperm quality in every way, from longevity to
motility. But Zavos also found that smoking affected sexual behavior.
The smokers had sex an average of 5.7 times per month, while the
nonsmokers reported an average of 11.6 encounters. And on a scale
of 1 to 10, the smokers rated the quality of sex at a lackluster
5.2, compared to an 8.7 for nonsmokers.
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