Everyone knows that exercise is vital to maintaining health, yet many people continue to lead sedentary lives. Perhaps it is because they think that exercise must be difficult and time-consuming in order to be beneficial. In fact, you don’t have to train like a triathlete to reap the benefits. Simply walking to the store or taking the stairs instead of the elevator can make a lot of difference.

Cholesterol is a type of fat (lipid), found both in the body and in certain foods. It has spent its fair share of time in the news because of its association with heart disease and stroke.