PMID 30726923
embrio.lau on TT
The scientific research regarding how cannabis use impacts male fertility and sperm quality currently presents a highly mixed and often contradictory picture. Some observational studies suggest that heavy or chronic use might be linked to lower sperm counts, decreased motility, and changes in sperm shape. Conversely, other clinical investigations have found absolutely no significant differences in seminal parameters between regular consumers and non-users, with a few isolated studies even noting slightly higher sperm concentrations in certain user demographics. This conflicting data makes it impossible to draw a single, universal conclusion about its biological impact on the reproductive system. The primary reason for this ongoing lack of consensus is the immense difficulty in conducting tightly controlled, long-term human studies on the substance. Variations in the potency of the cannabis consumed, the frequency of use, the method of ingestion, and confounding lifestyle factors like diet or alcohol consumption make it incredibly challenging to isolate its exact effects. Because much of the current research relies on inconsistent methodologies and self-reported data, the medical community agrees that we need significantly more robust, standardized evidence before any definitive claims can be made. Ultimately, there is currently no conclusive proof showing that cannabis either definitively harms or definitively has no effect on sperm quality.
#men #fertility #smoking