Alcohol’s ability to increase people’s pain threshold is one reason that drinking also leads to more aggressive behavior, a new study suggests. Researchers found that the less pain that study participants felt after drinking an alcoholic beverage, the more pain they were willing to inflict on someone else.

Suicide remains a leading cause of death among adolescents. A new study among US high school students has found that suicidal behavior is significantly associated with externalizing behaviors and violence exposure. The new study, appearing in the American Journal of Preventive Medicine, published by Elsevier, is the first to assess this association at the state level.