We identify half a dozen blood tests that can illuminate your health status, from sexual performance to liver function and ...

While it is important to contact a doctor for regular checkups, some at-home preventive tests can help screen for certain conditions such as diabetes, high cholesterol, and nutritional deficiencies. A ...

Cholesterol is one of those health terms we hear often but rarely think about until a test report surprises us. It is a waxy, fat-like substance present in our blood and is essential for making ...

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Some 71 million people in the U.S. have high low-density lipoprotein cholesterol (LDL-C) — what’s commonly referred to as “bad cholesterol.” But up to 40% of them aren’t aware of their high ...

For decades, assessing cholesterol risk has been built around a simple idea: Lower “bad” cholesterol, lower your chance of a heart attack. The test at the center of that approach measures how much low ...