Cholesterol Levels: High, Low, Good & Bad


Cholesterol Levels: High, Low, Good & Bad


Cholesterol is a waxy material that is produced naturally by the liver. It protects the nerves, produces hormones and makes cell tissues, according to the American Academy of Family Physicians. However, too much cholesterol can be a bad thing — which is why it's important to manage it and keep it at reasonable levels. 
People can check their cholesterol levels by getting a simple blood test. The test measures total cholesterol, HDL (high density lipoprotein), LDL (low density lipoprotein) and triglycerides, another type of fat in the blood stream.

Symptoms & causes

There are really no symptoms of high cholesterol. That's why the National Heart, Lung and Blood Institute at the National Institutes of Health (NIH) recommends getting your cholesterol checked at age 20, and then every five years after that. The doctor will be able to tell if the cholesterol levels have risen too quickly and can help formulate a treatment plan.
Bad cholesterol levels that narrow and harden the arteries are exacerbated by a diet rich in saturated fat, being overweight or obese, and having little or no physical activity. Foods high in saturated fats include fatty beef, pork, fried foods, as well as high-fat dairy products, such as milk, butter and cheeses made of high fat, Sharma said.
Trans fats, which can also raise LDL cholesterol levels, can be difficult to calculate. Observant eaters can look at nutrition labels to see how many trans fats are in their diet, Sharma said.
High cholesterol is also caused, in part, by genetics. For instance, familial hypercholesterolemia, a genetic disorder, happens when the body is unable to remove LDL cholesterol from the blood, according to the NIH.




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