Cholesterol is extremely important for our bodies. In particular, cholesterol is essential for our brains, skin, and nerves. It’s that important, you’ll find cholesterol in every cell within your body. Cholesterol in our bodies travels through the bloodstream in particles called lipoproteins. However, too much cholesterol in our bodies can lead to problems. Too much cholesterol can lead to deposits in our bloodstream. These deposits stick and clog our arteries. Eventually, this can lead to heart disease and a much-increased risk of heart attacks and strokes. This article explores the different types of cholesterol and why it's important to know your levels.