What is cholesterol and what is the reason to increase the level of cholesterol in the blood?

What is cholesterol? What is the reason to increase the level of cholesterol in protecting demand, what is cholesterol? What is the reason to increase the level of cholesterol in the blood, the cholesterol answer is a soft waxy substance and is produced in the liver of animals. Food from an animal source such as egg yolk, skimmed, internal organs and seafood contain cholesterol. In many people, the increased level of cholesterol in the blood is caused by excessive foods rich in saturated fats, cholesterol and calories. Reducing the consumption of these products can reduce the cholesterol level. They are likely to consume 300 milligrams per day.