Genetics

Exposure to cannabis alters the genetic profile of sperm

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.

Medical research

Blocking hormone could eliminate stress-induced infertility

University of California, Berkeley, scientists have discovered that chronic stress activates a hormone that reduces fertility long after the stress has ended, and that blocking this hormone returns female reproductive behavior ...

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