Smoking May Have Negative Effects On Sperm Quality

A recent study found that that sperm of men who smoke has a greater extent of Deoxy Nucleic Acid (DNA)/genetic material damage than that of non-smokers.

Researchers also assessed 422 proteins in participants’ sperm. One protein was absent, 27 proteins were underrepresented, and six proteins were over-represented in smokers.

Analyses of these proteins suggest that cigarette smoking may promote an inflammatory response in the male reproductive tract.

The BJU International study included 20 nonsmoking men and 20 men who smoked.

“More and more studies are demonstrating a harmful effect of smoking on male fertility. Our results point in the direction of important semen alterations: semen of smokers presents an inflammatory nature, associated with decreased capacity of sperm to achieve fertilization and generate a healthy pregnancy,” said Dr. Ricardo Pimenta Bertolla, senior author of the study.

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