Marijuana sperm motility

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Recent research has looked at the relationship between marijuana use and fertility. As recreational marijuana is legalized in more and more places, marijuana use is likely to go up — especially among people of reproductive age. Sara Ilnitskystudy co-author and reproductive endocrinology and infertility fellow at Western University in London, Ontario, told Healthline.

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Men who smoked more than two joints in their lifetime had a significantly higher sperm concentration than those who had never smoked marijuana: on average, The count was higher, on average, in men who had ever smoked marijuana, with no significant differences between those who had only smoked weed in the past and those who were currently using it. They also studied hundreds of blood samples from these men to determine levels of reproductive hormones.

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Reactions to research published in Human Reproduction that states men who had ever smoked marijuana had high sperm concentration and count than men who had never smoked marijuana. In subjects, each taking the same moderate dose of marijuana daily over only several weeks, their sperm quality plummeted. Sperm motility decreased, acrosome reactions failed to occur and worst of all, sperm counts dropped and the nurse Sertoli cells that help to make sperm disappeared irreversibly.

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Is marijuana smoking associated with semen quality, sperm DNA integrity or serum concentrations of reproductive hormones among subfertile men? Men who had ever smoked marijuana had higher sperm concentration and count and lower serum FSH concentrations than men who had never smoked marijuana; no differences were observed between current and past marijuana smokers. Studies of marijuana abuse in humans and animal models of exposure to marijuana suggest that marijuana smoking adversely impacts spermatogenesis. Data is less clear for moderate consumption levels and multiple studies have found higher serum testosterone concentrations among marijuana consumers.

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As legal access to marijuana continues expanding across the U. New research from Duke Health suggests men in their child-bearing years should also consider how THC could impact their sperm and possibly the children they conceive during periods when they've been using the drug. Much like previous research that has shown tobacco smoke, pesticides, flame retardants and even obesity can alter sperm, the Duke research shows THC also affects epigenetics, triggering structural and regulatory changes in the DNA of users' sperm.

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Great news for stoner bros: Harvard University researchers have uncovered evidence that marijuana, far from hurting male fertility as previous research has suggested, is associated with a higher sperm count. The finding, published in the journal Human Reproduction on Feb. Analysis of 1, semen samples from men collected between and at the Fertility Clinic at Massachusetts General Hospital showed that those who had smoked weed at some point in their life had a mean sperm concentration of

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The unexpected finding that men with a history of cannabis smoking had higher sperm counts has been widely reported after it was published in a leading fertility journal. Around half of men had tried, or currently used, cannabis and the researchers found just 5 per cent had clinically low sperm counts, compared to 12 per cent of those who had never tried it. The authors suggest that this could be a result of cannabis on the body's endocannabinoid system which sends chemical messages in the brain and has been associated with regulating fertility.

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Men who smoke marijuana may have higher sperm counts than those who have never used the drug, a surprising new study suggests. The findings are "not consistent" with previous research, which has suggested that marijuana has a harmful effect on men's testicular function, the researchers said. However, the study, published in the Feb.

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Men who smoke cannabis could be affecting their fertility, according to new research presented today1. During a multi-centre study on the lifestyle habits of infertile men, researchers noticed that many men attending for infertility investigations at the Royal Maternity Hospital were using cannabis on a regular basis. This led them to commence a study looking at the direct effects of THC.

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