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The straight dope on cholesterol – Part I « The Eating Academy | Peter Attia, M.D.

August 29, 2012

One of the biggest misconceptions out there (maybe second only to the idea that eating fat makes you fat) is that cholesterol is “bad.” This could not be further from the truth. Cholesterol is very good! In fact, there are (fortunately rare) genetic disorders in which people cannot properly synthesize cholesterol. Once such disease is Smith-Lemli-Opitz syndrome (also called “SLOS,” or 7-dehydrocholesterol reductase deficiency) which is a metabolic and congenital disorder leading to a number of problems including autism, mental retardation, lack of muscle, and many others.

Cholesterol is absolutely vital for our existence. Let me repeat: Cholesterol is absolutely vital for our existence. Every cell in our body is surrounded by a membrane. These membranes are largely responsible for fluidity and permeability, which essentially control how a cell moves, how it interacts with other cells, and how it transports “important” things in and out. Cholesterol is one of the main building blocks used to make cell membranes (in particular, the ever-important “lipid bilayer” of the cell membrane).

via The straight dope on cholesterol – Part I « The Eating Academy | Peter Attia, M.D. The Eating Academy | Peter Attia, M.D..

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