5. Whole grains
Whole grains like oats and barley are known to lower the risk of heart diseases, according to several studies. Whole grains are provided with more vitamins, plant compounds, minerals and fiber than refined grains because they have all parts of the grain intact. Oats contain a type of soluble fiber called beta-glucan which lowers cholesterol. Barley is also rich in beta-glucans and helps reduce LDL cholesterol.