Smoking marijuana reduces sperm motility

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Certain activities, substances, or even physical environments can decrease male fertility by killing or damaging sperm cells. Semen, which contains sperm, is simply the fluid discharged during orgasm. Here are what some recent studies had to say on the subject of Cannabis, sperm, and male fertility.

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Reproductive Biology and Endocrinology. DecemberCite as. In recent decades, the decline in human fertility has become increasingly more worrying: while therapeutic interventions might help, they are vexing for the couple and often burdened with high failure rates and costs.

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Up to 15 percent of couples are infertile. This means they aren't able to conceive a child, even though they've had frequent, unprotected sexual intercourse for a year or longer. In over a third of these couples, male infertility plays a role.

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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. The women were not using birth control or receiving fertility treatments and were in stable relationships with male partners.

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Is it really that bad for you? Well some scientists out there say yes, it really is, and that it can even harm your fertility. Marijuana is a drug, but most of you already know that.

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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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The study was led by Allan Pacey of the University of Sheffield and the paper was published in the journal Human Reproduction. Pacey and his team went to 14 fertility clinics in the UK and collected samples from 2, men of at least 18 years of age. The researchers found that of the men in the study were below normal. The remaining 1, men with normal morphology were considered the control group.

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Despite the vast quantity of sperm produced by a healthy man, the number of sperm which actually fulfil their fertilising potential is therefore extremely small. Even when a man is producing sperm at a healthy capacity and his partner is fertileit is not uncommon for couples to take up to a year to conceive. Some men produce sperm which is suboptimal, either in quantity or quality.

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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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