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Anger is good for you, as long as you keep it below a boil, according to new psychology research based on face reading.
People who respond to stressful situations with short-term anger or indignation have a sense of control and optimism that lacks in those who respond with fear.
I guess that’s because anger rise release your adrenalin, increase your blood pressure and blood circulation rate so you’ll have more energy ready to be used. What will you use with that energy is up to you, but as the article says :
Chronic, explosive anger or a hostile outlook on the world is still bad for you, contributing to heart disease and high blood pressure, research shows.
don’t let anger lingers on you