How to control anger before it controls you
www.apa.org
Anger is a normal, healthy response to a threat and may be used for a constructive purpose. When anger becomes uncontrollable or is unexpressed, it may lead to destructive thoughts or actions. Tips for anger management.

“Psychologists now say that this is a dangerous myth. Some people use this theory as a license to hurt others. Research has found that “letting it rip” with anger actually escalates anger and aggression and does nothing to help you (or the person you’re angry with) resolve the situation.”