Marijuana and sperm count

However, Chavarro noted that some of those past studies surveyed men who use multiple drugs at once, making it difficult to pinpoint the effects of marijuana alone. Listen Live: Morning Edition. Get a roundtrip of the most important and intriguing national stories delivered to your inbox ever weekday. Here are the cold hard facts. Comments are subject to our community guidelines, which can be viewed here. Cannabis is the most commonly used illegal drug in the UK, with 2.

Jury still out

Cannabis and Male Fertility: A Systematic Review.

The research team agonized over that wording, he says. Some features on this website, like video and images, might not work properly. Basic semen parameters are not sufficient to identify changes of magnitude in sperm cell function. Researchers adjusted the findings for factors that could affect the sperm counts, like age, abstinence time, smoking, consumption of coffee, alcohol and cocaine. She also cautions that the results may not apply to all men, as the study consisted of men who were seeking fertility treatment with their partners at a fertility center.

Smoking Marijuana Linked to Better Sperm Counts in Surprising Study | Live Science

We'd really appreciate it. The researchers collected semen and blood samples from hundreds of men at the Massachusetts General Hospital fertility clinic between and , and asked them about their marijuana use. Sorry, your blog cannot share posts by email. It's known that moderate- to heavy-use of tobacco or alcohol is tied to lower sperm counts, but whether marijuana has the same effect is up for debate, said Dr. Primary Source American Urological Association Source Reference: Hallak J, et al "Marijuana consumption has a direct deleterious effect on spermatozoa quality and function by increasing intracellular reactive oxygen species 20 times more than tobacco smoking. She also cautions that the results may not apply to all men, as the study consisted of men who were seeking fertility treatment with their partners at a fertility center.
Listen Live: Morning Edition. Unlike many prior studies, enrollment was limited to users of cannabis and excluded use of cannabinoid-containing products. Men who reported smoking marijuana also had higher average sperm concentrations in their semen than men who had never smoked, and were much less likely to have abnormally low levels, the study found. Researchers were compelled to investigate what weed does to male fertility after noticing lower sperm counts among certain cannabis users. In the new study, the researchers analyzed information from men who, along with their partners, were evaluated for infertility from to at the Massachusetts General Hospital Fertility Center.
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