According to a study published in the scientific journal Human Reproduction, marijuana smokers have higher sperm counts than those who don’t toke up.
In the study, Harvard University researchers collected 1,143 semen samples from 662 men between 2000 and 2017. On average the men were 36 years old, mostly white and college educated. All of them belonged to couples seeking help with conception from a fertility clinic.
During the analysis of the semen samples, it was found that men who had smoked marijuana had average sperm concentrations of 62.7 million sperm per millilitre (million/mL). Those who had never smoked a joint had an average count of 45.4 million/ml.
How the research was carried out
Participants were asked to fill in questionnaires detailing their history of cannabis use.
More than half (55%) of the men reported having smoked weed at some point. Of those, 44% said they had taken the drug in the past, and 11% classified themselves as current users.
Only 5% of weed users had sperm counts below 15 million/ml, the World Health Organisation’s threshold for “normal” levels, compared with 12% of men who had never smoked cannabis.
It was also found that pot smokers have higher levels of testosterone and lower serum FSH concentrations–which, if high, can indicate infertility.
However, the results of the study aren’t exactly conclusive, and it doesn’t mean you should necessarily go ahead and smoke a bunch of weed in hopes of increasing your sperm count just yet.
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