Research published in the Journal of Counseling Psychology in 2009, found an association between depressive symptoms and reduced emotional disclosure.
A study published in the Journal of Personality and Social Psychology has found that a high self-esteem does not lessen the effect of stressful events on depression. The study was conducted by Ulrich Orth and Richard Robins of the University of California and Laurenz Meier of the University of Bern.
In 2009, The American Journal of Family Therapy published research that investigated the relationship between family functioning and adolescent addiction. The research was conducted by Mimma Tafa and Roberto Baiocoo, both psychologists from the University of Rome.