Psychology & Psychiatry

Another victim of violence: Trust in those who mean no harm

Exposure to violence does not change the ability to learn who is likely to do harm, but it does damage the ability to place trust in "good people," psychologists at Yale and University of Oxford report April 26 in the journal ...

Pediatrics

High rate of sex before age 13 among boys from metropolitan areas

Using information from two national surveys, researchers from Johns Hopkins Medicine and the Guttmacher Institute have found that in some metropolitan areas, more than a quarter of young, African American men reported having ...

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.

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