How does pot smoking effect sperm

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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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Credit: Getty Images. As legal access to marijuana continues expanding across the US, more scientists are studying the effects of its active ingredient, tetrahydrocannabinol THCin teens, adults, and pregnant women. Experiments in rats and a study with 24 men found that THC appears to target genes in two major cellular pathways and alters DNA methylation, a process essential to normal development.

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Men who have smoked marijuana may be more fertile than those who have never touched it, suggests a new study published in the journal Human Reproduction. While research about marijuana and fertility is limited, some past papers have suggested that it might harm semen quality. Cigarette smoking is also known to be a risk factor for both female and male infertility.

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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. Experiments in rats and a study with 24 men found that THC appears to target genes in two major cellular pathways and alters DNA methylation, a process essential to normal development.

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By Raina Delisle Jan 25, Photo: iStockPhoto. More women are starting to use marijuana during pregnancy, says new study The researchers surveyed 4, women between the ages of 21 and 45 living in Canada or the United States about their marijuana use as part of a larger project examining the influence of lifestyle factors on fertility and pregnancy.

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Although the link between marijuana and fertility is not straightforward—plenty of marijuana smokers get pregnant and get their partners pregnant—research demonstrates the negative impact that marijuana can have on fertility which could be affecting you, your partner, or the fertility of both of you. Even before intercourse takes place, marijuana decreases libido. And if you aren't feeling in the mood, it's that much more difficult to get started.

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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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Recreational marijuana use is becoming increasingly legal across the U. As with alcohol and tobacco, the drug comes with risks. And a new study finds regular marijuana may — similar to alcohol and tobacco — affect a man's sperm count and vitality.

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For ages, the conventional wisdom about marijuana and male reproductive health was that one did not benefit the other. Weed was kryptonite for healthy sperm; don't partake in one if you want the other. Scientific studies backed that up.

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The prevalence of marijuana use among males of reproductive age has never been higher, while male factor infertility is also on the increase. Researchers believe that the spread of legal medical and recreational marijuana use in the U. Marijuana contains the cannabinoid drug THC tetrahydrocannabinolits primary psychoactive chemical, as well as other cannabinoids.

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