Re: Found the true cause of AF

 Sure... if your goal is death from an early heart attack, anger works perfectly.

http://my.clevelandclinic.org/heart/prevention/stress/anger.aspx

"The study, which tracked 1,337 male medical students for 36 years following medical school, found that students who became angry quickly under stress were three times more likely to develop premature heart disease and five times more likely to have an early heart attack. Angry young men, it appears, turn into angry old men with heart problems"