Official-Only a little time exercising can still help reduce Heart Disease

A new study shows just 150 minutes (2.5 hrs) of moderate exercise each week is enough to lower the risk of heart disease by 14 per cent.
The findings by Jacob Sattelmair, of the Department of Epidemology at the Harvard School of Public Health in America, corroborate current guidelines published by the Department of Health and also shows that the more someone exercises the greater the health benefits.

http://www.telegraph.co.uk/health/healthnews/8675117/Even-moderate-exercise-cuts-heart-disease-risk.html