Can smoking and drinking affect my sperm?

Dr. Michael Roizen, MD
Internal Medicine
Skip the drinks and smokes. Smoking tobacco is harmful to male fertility. It can cut your sperm count by 13% to 17% and increases the risk of genetic abnormalities, so it's best to quit smoking. There's evidence that marijuana is also bad news. More than one beer, glass of wine, or cocktail a day also messes with sperm quality. After two drinks, sperm get mixed up and travel in weird directions.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.