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biology lypids
Biology

What is cholesterol?
Cholesterol, a waxy substance produced by the liver and found in certain foods, is needed to make vitamin D and some hormones, build cell walls, and create bile salts that help you digest fat. our liver produces about 1,000 milligrams of cholesterol a day, enough cholesterol for the body to be ok without food with colesterol but it's hard to avoid cholesterol entirely because so many foods contain it.

Consequences o high cholesterol.
Too much cholesterol in the body can lead to serious problems like heart disease. Many factors can contribute to high cholesterol, but the good news is there are things you can do to control them.

Difference between HDL and LDL
- The two most important types of lipoproteins are high-density lipoproteins (or HDL) and low-density lipoproteins (or LDL). LDL cholesterol "bad cholesterol" and HDL cholesterol "good cholesterol" because of their very different effects on the body. Most cholesterol is LDL cholesterol, and this is the kind that's most likely to clog the blood vessels, keeping blood from flowing through the body the way it should.
On the other hand, HDL cholesterol removes cholesterol from the blood vessels and carries it back to the liver, where it can be processed and sent out of the body.

Extra information about the consequences of cholesterol.

Why Do People Worry About High Cholesterol?
When you have too much cholesterol, it can be dangerous to your health. When LDL cholesterol levels are high, cholesterol is deposited on the walls of arteries and forms a hard substance called plaque. Over time, plaque causes the arteries to become narrower, decreasing blood flow and causing a condition called atherosclerosis (pronounced: ah-thuh-ro-skluh-ro-sis), or hardening of the arteries.
When atherosclerosis affects the coronary arteries (the blood vessels that supply the muscles of the heart), the condition is called coronary artery disease, which puts a person at risk for having

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