Psychiatrists are trying to say that being angry is now a disease requiring chemical treatment: http://www.naturalnews.com/028529_psychiatry_mental_illness.html
It is important to realize that you are in control of your genes … and are changing them often — daily and perhaps even hourly — based on the foods you eat, the air you breathe, and the thoughts you think. It’s your environment and lifestyle that dictates your tendency to express disease.