The hemoglobin A1C test is a type of blood test. It provides information about your average blood sugar levels over the past two to three months. If you have type 2 diabetes, the test can help you ...

Brad Reisfeld is a professor of chemical and biological engineering, biomedical engineering, and public health at Colorado State University. Your blood serves numerous roles to maintain your health.

Thyroxine (T4) is the main hormone your thyroid makes. Your thyroid hormones are important because they control how your body uses energy from the food you eat. (Photo Credit: iStock/Getty Images) T4 ...

A stress test measures how well your heart works when put under stress. It is ordered to assess exercise tolerance, see if your heart can respond to demands, or test if heart medications are working.

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Some of us are just curious. If you had a medical test done, and the results are sitting in your chart, don’t you want to know what they say right now? But especially if it’s bad news, it may be ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

Lauren Silva, a freelance writer in New York City, believes in feeling good in your body and making that experience accessible to everyone across generations. The proof is in her ever-piling browser ...