Stress in general is bad. It shortens your life. It isn't just cortisol, either; chronic stress has been shown to cause epigenetic changes (changes to which g

Stress in general is bad. It shortens your life. It isn't just cortisol, either; chronic stress has been shown to cause epigenetic changes (changes to which genese are being expressed) http://www.nih.gov/researchmatters/september2010/09272010stress.htm http://www.nih.gov/researchmatters/september2010/09272010str...