Tip - What Role Do Lipids Play in the Human Body? | LIVESTRONG.COM

Lipids are fats. In the body they take the form of phospholipids, cholesterol and fatty acids. Although fats play a role in obesity and disease, your body needs a certain amount of fat to function -- also known as essential body fat. Men need at least 3 percent body fat and women need at least 12 percent body fat to ensure normal functioning. You...