What age to start and how to prevent chf?

Eariler the better! The following two websites will help you in assessing your cardiac disease risk. The risk depends on multiple factors. You cannot start too early. http://www.nhlbi.nih.gov/health/health-topics/topics/hd/atrisk.htmlhttp://hp2010.nhlbihin.net/atpiii/calculator.asp?usertype=prof.