Estimates of Cumulative Mortality Rates for Propensity-Based

 For 10-year Risk of Heart Attack or Stroke or Death from these:
http://clincalc.com/Cardiology/ASCVD/PooledCohort.aspx

For the role of exercise in preventing heart disease:
http://www.heart.org
http://www.webmd.com/heart-disease/heart-disease-prevention-exercise

For a review article on exercise from the journal Circulation:
http://circ.ahajournals.org/cgi/content/full/107/1/e2

For information on why cholesterol is important:
http://www.nhlbi.nih.gov/health/public/heart/chol/wyntk.pdf