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 ...

If you're looking to uncover family history or learn more about your health, here's how to decide which DNA testing kit is ...

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 chloride blood test, or serum chloride level, can be part of a comprehensive or basic metabolic panel. Some health conditions, including dehydration, can affect chloride levels. Chloride is an ...

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 ...

When you shop through retailer links on our site, we may earn affiliate commissions. 100% of the fees we collect are used to support our nonprofit mission. Learn more. If you're like most of my ...

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 ...

Don't settle for sluggish Wi-Fi. Learn what internet speed tests mean and how to troubleshoot and fix common issues. Joe Supan is a senior writer for CNET covering home technology, broadband, and ...

Test anxiety is something many students struggle with, but it’s often misunderstood. Most people think it’s caused by the pressure of limited time, tough material, or high expectations. However, as ...