Psychological Harassment Information Association

Exercise may prevent stress on telomeres, a measure of cell health - EurekAlert! (article link)

UCSF scientists are reporting several studies showing that psychological stress leads to shorter telomeres – the protective caps on the ends of chromosomes that are a measure of cell age and, thus, health. The findings also suggest that exercise may prevent this damage.

http://www.eurekalert.org/pub_releases/2011-04/uoc--emp040111.php