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...much power do genes hold over behavior? Can they predict, for example, whether a child will grow up to join a gang? Those are among the questions raised by a new Florida State University (FSU) study released June 5. (What Can Genetic Tests Tell...

Author: /time Magazine | Title: Which Kids Join Gangs? A Genetic Explanation | 6/10/2009 | See Source »

...latest research, however, takes the association one step further. It is the first to link low activity on the MAO-A allele in young men both to an increased likelihood of joining a gang and to a greater tendency to use weapons and violence. "For the first time, we were able to establish a direct connection between the MAO-A gene and the choosing of a violent lifestyle," says Kevin Beaver, a biosocial criminologist at FSU and lead author of the study published in Comprehensive Psychiatry...

Author: /time Magazine | Title: Which Kids Join Gangs? A Genetic Explanation | 6/10/2009 | See Source »

...most comprehensive survey of health-related behavior among adolescents between 7th and 12th grade, which started in 1994. Slightly more than half of the study's male participants had low-level activity on the MAO-A gene, and about 3% of the total pool reported having joined a named gang in the past year. (See pictures of gangs in New Zealand...

Author: /time Magazine | Title: Which Kids Join Gangs? A Genetic Explanation | 6/10/2009 | See Source »

Beaver and his colleagues found that those males carrying the low-active MAO-A gene were nearly twice as likely to join an organized gang than males with the high-active gene, and when in a fight, they were nearly twice as likely to brandish a weapon. Of the gang members studied, those who had a low-activity MAO-A allele were more than four times more likely to use a weapon when compared with male gang members who carried a high-activity version of the allele. "At the very least this suggests a genetic risk factor that can help...

Author: /time Magazine | Title: Which Kids Join Gangs? A Genetic Explanation | 6/10/2009 | See Source »

...tell you the truth, they were rude.' RAMON HUERTA, a retired chef, on the L.A. police officers who mistakenly raided his home during the largest gang crackdown in U.S. history, which yielded more than 90 arrests in a single...

Author: /time Magazine | Title: Verbatim | 6/8/2009 | See Source »

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