Cannabis vapor caused lower sperm counts and motility in mice and their male offspring, a study has found.
Researchers at Washington State University conducted the study with mice: Some were exposed to cannabis vapor three times a day for 10 consecutive days, while the rest were not, and then sperm counts between the two groups were compared.
The team found that immediately after the exposure period, the mice’s sperm motility decreased, and after one month, sperm counts were lower.
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