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  1. www.webmd.com › drugsWebMD's A to Z Drug Database

    WebMD's comprehensive database of prescription drug and medication information from A to Z

  2. www.webmd.com › a-to-z-guides › blood-urea-nitrogenBlood Urea Nitrogen (BUN) Test: High vs. Low Levels, Normal ...

    2023年10月30日 · Your result will be a number that measures how much BUN is in your blood. The range considered normal is 7-20 milligrams per deciliter. (A milligram is a very tiny amount —with over 28,000 ...

  3. www.webmd.com › hiv-aids › what-to-know-about-cd4-cd8-ratio-testCD4:CD8 Ratio Test — What to Know - WebMD

    2022年5月4日 · Find out what you need to know about the CD4:CD8 ratio test. Learn why your doctor asks for it, what information they get from it, and what it means for you.

  4. www.webmd.com › digestive-disorders › digestive-diseasesConstipation: Causes, Symptoms, and Treatment - WebMD

    2023年11月13日 · Some causes of constipation include: Changes to what you eat or your activities. Changes to your daily routine, such as traveling. Not drinking enough water. Not eating enough fiber. Eating a lot ...

  5. www.webmd.com › cholesterol-management › finding-the-idealFinding the Ideal Cholesterol Ratio - WebMD

    • Overview
    • Prevention
    • Mechanism of action

    Cholesterol is a fatty substance that naturally occurs in human blood. It is formed in the liver or comes from the foods you eat. Cholesterol performs important functions in your body. It aids in tissue and hormone formation. It protects your nerves. It helps with digestion. In fact, cholesterol helps form the structure of every cell in your body. ...

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    How do you know what that ratio is? Once you know your cholesterol numbers, you can work with your doctor to find the ideal cholesterol ratio for you. Then, by making simple lifestyle changes such as eating a heart-healthy diet, exercising regularly, and taking cholesterol medications such as statins, if necessary, you can work your way toward that...

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    High-density lipoprotein, or HDL, is the good cholesterol. The benefit of HDL lies in the fact that it carries bad cholesterol back to the liver. In doing so, it cleanses cholesterol from the bloodstream.

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  6. www.webmd.com › fitness-exercise › what-is-waist-to-hip-ratioWaist to Hip Ratio: Why it Matters, How to Measure It, and ...

    2023年7月21日 · Record the number. Measure your hips. Next, wrap the tape measure around your hips at the widest part. This is your hip circumference. Record the number. Divide. Use a calculator to divide your ...

  7. www.webmd.com › a-to-z-guides › vitamin-b12-testVitamin B12 Test & Normal Vitmain B12 Levels: Procedure ...

    2023年5月29日 · The normal range for vitamin B12 can vary slightly depending on the lab. But a normal level of vitamin B12 in your bloodstream is generally between 190 and 950 picograms per milliliter (pg/mL ...