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ASRM: Studies Examine Impact of Lifestyle on Sperm Quality
Three studies examine impact of alcohol, caffeine, and physical activity on sperm quality parameters

TUESDAY, Oct. 15 (HealthDay News) -- Lifestyle behaviors such as caffeine and alcohol intake and physical activity may impact sperm quality parameters, according to three studies presented at the annual meeting of the American Society for Reproductive Medicine, held from Oct. 12 to 17 in Boston.

Anatte E. Karmon, M.D., from Massachusetts General Hospital in Boston, and colleagues examined nutritional intake data from 166 male infertility patients (mean age, 36.6 years; 39 percent current or past smokers). The researchers observed a borderline positive association for alcohol intake with sperm motility (P = 0.08), but no correlation with sperm concentration, count, or morphology. No association was seen for caffeine intake with semen quality parameters. The association between alcohol consumption and sperm morphology was modified by smoking.

Stéphanie Belloc, Pharm.D., from Laboratoire d'Eylau-Unilabs in Paris, and colleagues examined the impact of caffeine intake on semen characteristics and sperm DNA damage in 4,474 men (75.6 percent coffee consumers). The researchers found that after multivariate adjustment, semen volume was slightly and significantly higher for caffeine consumers. Caffeine intake correlated with a significantly lower risk of elevated fragmentation. In a third study, Audrey Jane Gaskins, from the Harvard School of Public Health in Boston, and colleagues found that there was a significant positive association between sperm concentration and physical activity in a sample of 137 men.

"Helping men understand how their behavior may impact their fertility is very important," Rebecca Sokol, M.D., vice president of the ASRM, said in a statement. "These studies help us provide better information to our patients."

Abstract - Karmon
Abstract - Belloc
Abstract - Gaskins
More Information



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