Recently as we all know, there are many scientific research has been done on cannabis and there are many benefits that scientists have found.

According to an article on Bloomberg, a new research found that men who smokes cannabis/weed has been linked to have higher sperm count.

This is a shocking find as scientists was measuring the sperm counts of more than 600 men from couples attending a fertility clinic.

Scientist was expecting men who smokes weed would have a lower sperm count and fertility but it was the total opposite.

Participants who admitted to smoking cannabis/weed have higher sperm counts than the ones that never smoked.

“These unexpected findings highlight how little we know about the reproductive health effects of marijuana, and in fact of the health effects of marijuana in general.”

”Our results need to be interpreted with caution and they highlight the need to further study the health effects of marijuana use.” according to a US lead researcher Dr Jorge Chavarro, from the Harvard T.H. Chan School of Public Health in Boston

The researcher quickly pointed out that it does not mean that smoking cannabis/weed would increase the chances of fatherhood.

There could be a non-causal explanation for the association, such as the effect of the male hormone testosterone on both sperm count and risk-taking behavior such as smoking cannabis.

For this new study, there were 1,143 semen samples collected from 662 men from the year 2000 and 2017.

  • More than half (55%) of the men reported having smoked cannabis at some point.
  • Of those, 44% said they had taken the drug in the past
  • 11% classified themselves as current users

According the semen samples collected, men who had smoked cannabis/weed had and average sperm concentration of
62.7 million sperm per millilitre (million/mL) and those who had never smoked a joint had an average count of 45.4 million/mL.

Only 5% of cannabis users had sperm counts below 15 million/mL.

The research also pointed out that people who use cannabis has been linked to higher levels of male hormone testosterone.

“An equally plausible interpretation is that our findings could reflect the fact that men with higher testosterone levels are more likely to engage in risk-seeking behaviours, including smoking marijuana.” according to Dr Feiby Nassan another research team from Havard.

“As the authors point out, men with higher sperm concentrations are likely to have more testosterone in their bodies and thus may be more likely to smoke marijuana because simply they are willing to take more risks”, he said.

He also said that the paper does not give any concrete evidence where there is any apparent fertility benefits of smoking marijuana.

He also added that couples who are trying to start a family should avoid this at all cause. There are more research to be done.


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