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Thread: Higher Cholesterol Is Associated With Longer Life ?

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    Veteran Member Benyzero's Avatar
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    HDL cholesterol is good. LDL cholesterol is bad. The ratios of these are important.

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    https://www.health.harvard.edu/topics/cholesterol


    Cholesterol isn't entirely the health villain it's made out to be, its name darkly linked to heart attack, stroke, and other types of cardiovascular disease. Our bodies need cholesterol, which is a type of lipid (another name for fat) to make cell membranes, key hormones like testosterone and estrogen, the bile acids needed to digest and absorb fats, and vitamin D. Cholesterol is so important to the body that the liver and intestines make it from scratch.

    What is "bad" about cholesterol isn't the substance itself — in fact, we can't live without it — but how much of it is in the bloodstream.

    The body packages cholesterol in two main particles: low-density lipoprotein (LDL), the so-called bad cholesterol, and high-density lipoprotein (HDL), the so-called good cholesterol. Too much LDL in the bloodstream helps create the harmful cholesterol-filled plaques that grow inside arteries. Such plaques are responsible for angina (chest pain with exertion or stress), heart attacks, and most types of stroke.

    What causes a person's LDL level to be high? Most of the time diet is the key culprit. Eating foods rich in saturated fats, trans fats, and easily digested carbohydrates boost LDL. Genes are sometimes at the root of high cholesterol, and some medications can boost LDL.

    If you have high cholesterol, making changes in your diet can help bring it down into the healthy range. Exercise can help boost the level of protective HDL. Several types of medication, notably the family of drugs known as statins, can powerfully lower LDL. Depending on your cardiovascular health, your doctor may recommend taking a statin.
    https://www.health.harvard.edu/heart...n-in-your-body

    Cholesterol has a bad reputation, thanks to its well-known role in promoting heart disease. Excess cholesterol in the bloodstream is a key contributor to artery-clogging plaque, which can accumulate and set the stage for a heart attack. However, the role of cholesterol in your body is not all negative.

    To fully explain cholesterol, you need to realize that it's also vital to your health and well-being. Although we measure cholesterol production in the blood, it's found in every cell in the body. The Harvard Special Health Report Managing Your Cholesterol explains cholesterol as a waxy, whitish-yellow fat and a crucial building block in cell membranes. Cholesterol also is needed to make vitamin D, hormones (including testosterone and estrogen), and fat-dissolving bile acids. In fact, cholesterol production is so important that your liver and intestines make about 80% of the cholesterol you need to stay healthy. Only about 20% comes from the foods you eat. (See illustration.)
    Since cholesterol is a fat, it can't travel alone in the bloodstream. It would end up as useless globs (imagine bacon fat floating in a pot of water). To get around this problem, the body packages cholesterol and other lipids into minuscule protein-covered particles that mix easily with blood. These tiny particles, called lipoproteins (lipid plus protein), move cholesterol and other fats throughout the body.
    1. Cholesterol is very important. Liver produces lots of it and we are required to supplement the rest with food.
    2. If we eat lots of it the liver has the ability to reduce its own cholesterol production.
    3. There is no LDL or HDL cholesterol in the food. Just cholesterol. Body produces LDL and HDL cholesterol. Not every LDL is bad and not every HDL is good (small high density ones).
    4. Food rich with trans fat and other junk and lack of physical exercise increase the bad LDL cholesterol and lower the good HDL cholesterol.
    5. Saturated fats increase the LDL, but good type of LDL. These saturated fats are found in healthy, unprocessed natural sources and not in chips or similar.

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