What is Cholesterol?

Cholesterol is a fat that is present in the human body. 
Cholesterol is beneficial for the body, including to the formation of the cell wall, making materials manufacture hormones, bile fluid. 
When there are changes in the blood simply applied (LDL-cholesterol, HDL-cholesterol rising down) then there will be a buildup of fats in the walls of the arteries (atherosclerosis). As a result of blood vessels can be blocked so that it becomes a stroke and a heart attack
Narrowing of the arteries more diperberat when many risk factors (high cholesterol, high blood pressure, diabetes, and high uric acid). Hoarding of fat in the arteries has been started since his teens. 
This cholesterol is problematic not just reserved fat people or parents. Causes of cholesterol disturbances can be caused by genetic factors or breeds, excessive eating (fats and carbohydrates), lack of exercise, smoking habit, or due to diseases such as diabetes mellitus, chronic renal failure, hypothyroid and obesity or overweight.