Smoking Marijuana lowers sperm count – Study

Smoking Marijuana lowers sperm count – Study

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A man lights up a marijuana joint at Golden Gate Park in San Francisco, Tuesday, April 20, 2010. Marijuana legalization advocates lit up across the country during the annual observance of 4/20, the celebration-cum-mass civil disobedience derived from "420" - insider shorthand for cannabis consumption. (AP Photo/Marcio Jose Sanchez)

A recent study accepted in April of this year has revealed that excessive marijuana smoking by men between 18-28 could result in lower sperm count.

The Study, accepted by the American Journal of Epidemiology suggests that some 1,215 young men aged 18–28 years were recruited and observed between 2008 and 2012.

A total of 45% had smoked marijuana within the last 3 months prior to their examination.

The study found that regular marijuana smoking more than once per week was associated with a 28% (95% confidence interval (CI): −48, −1) lower sperm concentration and a 29% (95% CI: −46, −1) lower total sperm count after adjustment for confounders.

The combined use of marijuana more than once per week and other recreational drugs reduced the sperm concentration by 52% (95% CI: −68, −27) and total sperm count by 55% (95% CI: −71, −31).

Marijuana smokers had higher levels of testosterone within the same range as cigarette smokers.

The findings are said to be of public interest as marijuana use is common and may be contributing to recent reports of poor semen quality.

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