March 4, 2014 --Losing your temper could lead to a heart attack or stroke. Harvard researchers found that having an angry outburst make you almost five times more likely to have a heart attack, and more than three times more likely to have a stroke.
The reason? When you scream in anger, your brain triggers the release of adrenaline into the blood stream.
That causes blood vessels to constrict, raising blood pressure and making it harder for the heart to pump.