Early results from a University of Washington study show marijuana use may have a negative impact on male fertility.
Dr. Thomas Walsh with the UW Men’s Health Center is working on an ongoing study that compares sperm analysis of marijuana users and non-marijuana users.
Initial testing shows the sperm quality was worse in the current marijuana user group than the non-user group across all categories of analysis, which covered sperm volume, concentration, shape, and how the sperm swim, according to Walsh.
Semen quality is one of the factors impacting fertility.
This is more relevant than ever, because Walsh estimated between 40 and 50 percent of young reproductive age men use marijuana chronically.
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