Childhood viewing of violent media linked to genes

The lifelong debate of nature versus nurture continues - this time in what your children watch. A recent paper published in the Journal of Communication found that a specific variation of the serotonin-transporter gene was linked to children who engaged in increased viewing of violent TV and playing of violent video games.Sanne Nikkelen, Helen Vossen, and Patti Valkenburg of the University of Amsterdam's School of Communication Research, in collaboration with researchers at the Erasmus Universit...