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How Long Should You Fast Before a Blood Test?

Some blood tests will require fasting for eight hours before blood work, with some exceptions. Learn about eating and drinking before blood tests....

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Chantix (Varenicline) – Oral

What Is Chantix? Chantix (varenicline) is a prescription medication used to aid smoking cessation (the process of quitting smoking) in adults....

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What Are SERMs?

Learn how SERMs, medication that changes how estrogen affects the body, are used in the treatment of breast cancer, osteoporosis, and menopause....

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What Is Body Composition?

Body composition differs from BMI, because it doesn't just measure your weight. Instead, it looks at your lean muscle mass and body fat...

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Body Mass Index (BMI)

Body mass index, or BMI, is a common measurement used to determine if you're at a healthy weight for your height. It is an estimate of your body...

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Smoking Cessation: How to Quit and What to Expect

Smoking cessation is the process of stopping tobacco smoking. Here’s what you can expect when quitting smoking, and tips to help you stop for good....

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How Autoimmune Diseases Are Treated

An autoimmune disease is a condition in which your immune system attacks your body's cells. Treatment options usually involve reducing...

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Best At-Home Hepatitis C Tests

At-home hepatitis C tests should be affordable, easy-to-use, and deliver results in a timely manner. We reviewed the best at-home hepatitis C tests,...

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An Overview of Sensitivity and Specificity

Learn about sensitivity and specificity and how they are used to select appropriate medical testing and interpret the results that are obtained. In...

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What Is a Cohort Study?

A cohort study follows a group of people with a shared attribute over time to understand its relationship with a particular intervention or variable....

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Best At-Home HPV Tests

At-home HPV tests should be affordable, test various high-risk strains, and offer quick results. We reviewed the best at-home HPV tests, so you can...

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