Trimming certain kinds of fat from your diet is a good way to help reduce your chances of serious disease. Dietary fat is also the only source of linoleic acid, which the body needs to manufacture fats. Most of us, however, consume much more fat than our bodies need. The kind of fat you consume makes a difference.
Cholesterol is essential for the brain and nervous system.
Your body produces all that you need. When you add excess cholesterol to your blood by eating foods containing saturated fats, you encourage the formation of fatty deposits in the arteries. Unsaturated or polyunsaturated fats, on the other hand, reduce cholesterol by helping the body excrete it. Fish oil, like vegetable oil, is an unsaturated fat and helps reduce cholesterol. They reduce blood cholesterol in some people.