http://articles.mercola.com/sites/articles/archive/2003/11/26/heart-attacks-part-four.aspx"Mental stress" that you may not even know is there is a stronger indicator of heart attack or other severe heart event than other known risk factors including smoking, having high cholesterol or diabetes or being a man. According to researchers, peopleenCommunityServer 2008.5 SP1 (Build: 31106.3070)