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Question

What are the physical effects of anger?

Answer 1

http://aabss.org/journal2003/Thomason.htm
increased blood glucose, heart rate and blood pressure, difficult and shallow breathing, back and head pain, sweating.
Mentally, lack of concentration, poor performance, sleeplessness, lack of focus and could possibly lead to depression, fatigue, irritability and chronic anxiety.

Answer 2

http://en.wikipedia.org/wiki/Anger#Physiological_effects_of_anger