Lipid hypothesis
Lipid Hypothesis
The Lipid Hypothesis (pronounced: /ˈlɪpɪd haɪˈpɒθɪsɪs/) is a medical theory that suggests a direct relationship between the amount of saturated fat and cholesterol in the diet and the incidence of coronary heart disease.
Etymology
The term "Lipid Hypothesis" is derived from the Greek word "lipos" meaning fat, and "hypothesis" from the Greek word "hupothesis" meaning foundation or basis.
Overview
The Lipid Hypothesis was first proposed in the mid-20th century by Ancel Keys, an American physiologist. According to this hypothesis, high levels of certain types of lipids in the bloodstream—specifically, low-density lipoprotein (LDL) cholesterol—contribute to the development of atherosclerosis and, by extension, to heart disease.
Related Terms
- Atherosclerosis: A disease in which plaque builds up inside your arteries.
- Cholesterol: A waxy, fat-like substance that's found in all the cells in your body.
- Coronary Heart Disease: A disease in which a waxy substance called plaque builds up inside the coronary arteries.
- Saturated Fat: A type of dietary fat. It is one of the unhealthy fats, along with trans fat.
- Low-Density Lipoprotein (LDL): Often called the "bad" cholesterol because a high LDL level leads to a buildup of cholesterol in your arteries.
See Also
External links
- Medical encyclopedia article on Lipid hypothesis
- Wikipedia's article - Lipid hypothesis
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