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Experts warn smoking pot affects sperm - Vancouverite
By Samiha Khanna DURHAM, N.C. – As legal access to marijuana continues expanding across the U.S., more scientists are studying the effects of its active ingredient, tetrahydrocannabinol (THC), in teens, adults and pregnant women. New research from Duke Health suggests men in their child-bearing years should also consider how THC could impact their sperm and possibly …