Some commonly recommended tactics for managing anger, including hitting a punching bag, jogging and cycling, aren’t effective at helping people cool off. That’s the key takeaway of our new review of 154 studies that looked at how activities that increase versus decrease physiological arousal affect anger and aggression. Arousal is how researchers like us describe how alert and energized someone is. When you’re in a state of high physiological arousal, you’ll have increased heart rate, blood pressure, breathing rate and skin conductance due to sweat gland activity. Anger is a negative emotion a…