What are lipids?
Lipids are energy-storing molecules, usually associated with fats or oils. Each lipid molecule holds more calories in a small space than carbohydrates. Cholesterol, waxes and mono-, di- and triglycerides are all kinds of lipids.
What do lipids do?
According to MedicineNet.com, lipids are defined as any substance that dissolves in alcohol but not water. They're organic, meaning they contain carbon, and they also contain hydrogen and oxygen. Lipids occur naturally and are found in most living things. In humans, they protect organs, and in plants, they aid photosynthesis.
Where can lipids be found?
Lipids also come from foods, most commonly in the form of cholesterol or triglycerides. Certain kinds of essential lipids are often present in vegetable oils and legumes, as well as the cell membranes of just about every living thing. Lipids are necessary for life. But, while a limited amount of lipids in your diet are necessary, consuming too many lipids, or eating foods high in fat, can be detrimental to your health.
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