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Experts Warn: Marijuana May Harm Male Fertility
25 Apr
Summary
- Cannabis use may negatively impact male reproductive health.
- Studies show links between cannabis and reduced sperm count/quality.
- Experts advise stopping cannabis use before trying to conceive.

Concerns are mounting regarding the impact of cannabis use, both recreational and medical, on male fertility. Experts are drawing attention to how cannabis may negatively affect male reproductive health, a significant factor as male infertility contributes to a substantial portion of conception challenges. Evidence from studies indicates a correlation between cannabis consumption and diminished sperm quality and count.
Research suggests that chronic or heavy cannabis use can alter reproductive hormones and semen parameters, potentially leading to lower sperm counts or malformed sperm. Some studies have found significant reductions in sperm concentration and total sperm count among frequent cannabis users.
To optimize the chances of conception and a healthy pregnancy, experts advise men planning to conceive to cease cannabis use. Discontinuing use at least three months before trying to conceive is recommended to allow the body to produce a full cycle of healthy sperm. This cessation also benefits overall health, with conception serving as a strong motivator for abstinence.