Research conducted at Harvard could disprove another major myth about cannabis fans. A study published in February in the Human Reproduction medical journal found that male cannabis smokers might actually carry higher sperm counts and concentrations when compared to men who have never used the botanical drug.
Findings were contrary to what we hypothesized at the start of the study,” study lead author Feiby Nassan, a post doctoral research fellow at the Harvard T.H. Chan School of Public Health, said Tuesday. Experts found that men who reported to have smoked marijuana had an average sperm concentration of 63 million sperm per milliliter of semen.
“Those who had never used marijuana had 28 percent less potent semen.”
However, researchers also observed that people who stopped smoking tended to have slightly higher sperm counts than current pot smokers. One possible explanation could be that men who generally produce higher testosterone levels are more likely to use marijuana, rather than the implication that cannabis use itself affects sperm potency. Dr. Jorge Chavarro, an associate professor of nutrition and epidemiology at the Harvard T.H. Chan School of Public Health. “We were very, very surprised about this.” “It is well-documented that within normal ranges, high testosterone levels are associated with greater engagement in risk-seeking behaviors, including drug use,” Chavarro said. “Higher testosterone levels are also related to slightly higher semen quality and sperm counts.”
“We could have found what we thought we were going to find, and maybe wouldn’t have been as surprised and would have ended up writing a very different paper,” said Chavarro. “But the fact that we showed the exact opposite forced us to look very, very deeply into the marijuana health effects literature. There is not that much. We are operating mostly on assumptions and good intentions and hunches.” Stanford University researchers found a similar surprise in 2017. Male daily cannabis consumers had 1.3 times more sex per month (6.9 sex instances) than never-users (5.6 instances) as well as very infrequent users of cannabis (5.5 instances). Female daily cannabis consumers had sex about one more time per month (7.1 occurrences) than never-users (6.0 occurrences) as well as very infrequent users of cannabis (6.0 times).
Reported by Jah Vah Straitway
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