Cholesterol plays an important role in cardiac health, but not all cholesterol is the same. Plaque build-up is caused by high levels of LDL cholesterol, sometimes known as "bad" cholesterol, and this is what increases the risk of having a heart attack.
HDL cholesterol, on the other hand, can actually lower the risk of heart disease. Quitting smoking, reducing saturated fats, and increasing physical activity are the best ways to lower LDL and increase HDL.

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