HDL reverses this process and is the only lipoprotein that is not associated with an increased risk of heart disease [ 2 ]. It is tested as part of a standard lipid panel [ 2 ]. Non-HDL-C is used to assess your risk of heart disease or to decide on treatment targets for cholesterol-lowering drug therapy. Non-HDL-C levels, along with all types of cholesterol, are elevated during the second and third trimesters of pregnancy [ 3 ].
Causes listed below are commonly associated with high cholesterol. Work with your doctor or another health care professional to get an accurate diagnosis.
Your doctor will interpret your results, taking into account your medical history, symptoms, and other test results. Thyroid hormones also increase the conversion of cholesterol to bile acids [ 19 ].
There are fewer LDL receptors in people with an underactive thyroid hypothyroidism. As a result, hypothyroidism increases non-HDL-C levels [ 20 , 21 , 22 ]. Non-HDL-C was also increased in a study of people with undiagnosed mild subclinical hypothyroidism [ 23 ].
Taking thyroid hormones reduced high non-HDL-C levels in 39 people with hypothyroidism. Another study of 26 people found that one year of thyroid hormone replacement decreased non-HDL-C in hypothyroidism [ 24 , 22 ]. Two other studies have also found non-HDL-C levels to be higher in smokers total people [ 25 , 26 , 27 ]. Another study of 1, people found that more cigarettes smoked per day were linked to higher non-HDL-C levels [ 28 ].
Type 2 diabetes increases the risk of heart disease. This is partly due to chronic inflammation and insulin resistance , which increase non-HDL-C levels [ 29 ]. When the needle pricks your arm or hand, you may feel a slight sting or pain. Afterward, the site may be sore. What you eat, how often you exercise, and whether you smoke can affect your cholesterol levels. So can certain medicines. A lipid test can be done with or without fasting.
But if your triglycerides are going to be measured, you may need to fast. This means you can have nothing but water for 9 to 12 hours before the test. Tell your healthcare provider about all medicines, herbs, vitamins, and supplements you are taking.
This includes medicines that don't need a prescription and any illicit drugs you may use. Search Encyclopedia. Why do I need this test? What other tests might I have along with this test? Products and services. How important is cholesterol ratio and non-HDL cholesterol? With Francisco Lopez-Jimenez, M.
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Please try again. Something went wrong on our side, please try again. Show references Ballantyne CM. Cholesterol: Concentration, ratio and particle number. Saunders Elsevier, Accessed Jan. Sandeep V. Screening for lipid disorders. Non-high density lipoprotein cholesterol. Lab Tests Online. American Association for Clinical Chemistry. Heart and stroke encyclopedia: Cholesterol ratio. American Heart Association. Accessed Dec. To reduce your overall cholesterol levels, the CDC recommends that you limit your intake of saturated fats.
That means going light on fatty meat and full-fat dairy products. These may be listed as partially hydrogenated vegetable oil on food labels. You can find them in:. These include fresh fruits and vegetables, nuts, seeds, and whole grains. You can also look for healthy sources of protein, like fish, skinless chicken, and lean red meat.
Some foods that may help improve LDL cholesterol include :. Other ways to improve your cholesterol include :. Certain lifestyle changes involving diet, exercise, and not smoking may be able to help you manage your non-HDL cholesterol.
We explain what healthy cholesterol levels are for adults and children. Also, learn about lifestyle changes and medications to help lower your…. HDL cholesterol removes extra cholesterol and plaque buildup in your arteries. When it comes to controlling cholesterol, statins are the current king.
Could fish oil reduce cholesterol too? And perhaps more effectively than…. High triglycerides can have many causes, including genetics. When it's an inherited condition, it's known as familial hypertriglyceridemia. High cholesterol often has no symptoms, but can lead to serious health issues. Health Conditions Discover Plan Connect.
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