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What exactly is cholesterol?
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Default What exactly is cholesterol? – 02-01-2009, 12:16 AM

What exactly is cholesterol?
   
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Default 02-05-2009, 12:16 AM

It’s a white substance that blocks stuff up. Basically a medical name for "gunk".
   
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Default 02-08-2009, 12:16 AM

Cholesterol is a waxy, fat-like substance that is made in the body by the liver. Cholesterol forms part of every cell in the body and serves many vital functions. Our bodies need cholesterol to:

?Maintain healthy cell walls

?Make hormones (the body’s chemical messengers)

?Make vitamin D

?Make bile acids, which aid in fat digestion

Sometimes, however, our bodies make more cholesterol than we really need, and this excess cholesterol circulates in the bloodstream. High levels of cholesterol in the blood can clog blood vessels and increase the risk for heart disease and stroke.

Our bodies can make too much cholesterol when we eat too much saturated fat – the kind of fat found in animal-based foods such as meat and dairy products.

In addition to making cholesterol, we also get a small percentage of our body’s cholesterol from the foods we eat. Only animal-based foods such as meat, eggs, and dairy products contain cholesterol. Plant foods such as fruits, vegetables, and grains do not contain cholesterol.

There are different types of cholesterol – and not all cholesterol is harmful.

Low-density proteioatenLDL) cholesterol is a bad type of cholesterol that is most likely to clog blood vessels, increasing your risk for heart disease.

High-density lipoprotein (or HDL) cholesterol is a good type of cholesterol. HDL cholesterol helps clear the LDL cholesterol out of the blood and reduces your risk for heart disease.

Hope this helps.
   
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Default 02-12-2009, 12:16 AM

The Good and the Bad
Although cholesterol has gotten a bad rap over the years, it’s not, by itself, a bad thing.

Cholesterol is a soft, faintly yellow, naturally occurring waxy substance found in cell walls and membranes throughout your body, including your brain, nerves, muscles, skin, liver, intestines, and heart. It’s one of several fats, or lipids, your body produces. Without enough cholesterol, you simply couldn’t live.

You use cholesterol to produce sex hormones (including estrogen, progesterone, and testosterone), vitamin D, and bile acids that help you digest fat. However, you need only a relatively small amount to take care of all of these things. And your body (your liver, intestines, and even skin) manufactures plenty of it — about three or four times more cholesterol than most Americans eat. That means you could go the rest of your life without ever consuming another bite of cholesterol and you’d be just fine. (Although there’s no need to do so. In actuality, eating too many foods that contain cholesterol is not the main cause of high blood cholesterol.)

Like so many things, cholesterol isn’t bad for you unless there’s too much of it, at which point it begins to cause trouble. The story isn’t quite that simple, however. As you probably already know, there are different kinds of cholesterol — some bad, some good. And how much you have of each type makes a tremendous difference in your likelihood of developing coronary heart disease (CHD).

It’s actually not cholesterol per SE that’s good or bad for you, but the "vehicle" through which it travels your bloodstream. Because cholesterol is waxy, it can’t mix with blood, which is watery. Like oil in a salad dressing, it remains separate. To enter the cells and tissues where it’s needed, then, it hooks up with proteins, creating special transporters called proteins. Think of these as submarine-like bubbles that carry cholesterol around the body. Some of these "submarines" are friends, but most are foes

Exercise lowers cholesterol. Never , ever take stat ins. Nicotinic Acid is just as effective .It’s a Vitamin. B3

Take care

Tin
   
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Default 02-13-2009, 12:16 AM

I know that the LDL cholesterol is a substance that affects blood circulation and subsequently lead to heart attack. I suggest that it is good that if doctors whether they are idiopathic,homeopathic or Ayurveda from the yahoo community respond to this question to for more clarity.
   
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Default 04-29-2011, 02:26 PM

It is an interesting post about Cholesterol. Cholesterol is a one type of fat which is produced by the liver. A vegetarian diet lowers the blood cholesterol levels. Cholesterol is also found in some of the foods you eat. Cholesterol patient must eat oily free food for better health.
   
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Default 06-01-2011, 02:38 AM

Cholesterol is a waxy steroid of fat that is manufactured in the liver or intestines. It is used to produce hormones and cell membranes and is transported in the blood plasma of all mammals. It is an essential structural component of mammalian cell membranes. It is required to establish proper membrane permeability and fluidity. In addition cholesterol is an important component for the manufacture of bile acids, steroid hormones, and Vitamin D.
   
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What exactly is cholesterol?
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Default What exactly is cholesterol? – 07-21-2011, 08:07 AM

Our liver produces enough of this waxy substance (about 1,000 milligrams a day), so we don’t have to worry if there is need to get supplements. In fact, many foods contain cholesterol and sometimes it’s hard to ensure that we don’t get an excessive intake of cholesterol that could lead to serious health problems. Eggs, meats, and whole-fat dairy products (including milk, cheese, and ice cream) are loaded with cholesterol, whereas vegetables, fruits, and grains contain none.
   
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Default Cholesterol – 11-29-2011, 05:58 AM

Cholesterol is a waxy steroid of fat that is produced in the liver or intestines. It is used to produce hormones and cell membranes.

For more details visit :eclinic.com
   
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Default What exactly is cholesterol? – 02-22-2013, 06:58 AM

Cholesterol is a soft, faintly yellow, naturally occurring waxy substance found in cell walls and membranes throughout your body, including your brain and nerves. It is a waxy fat-like substance that is made in the body by the liver.
   
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