Possible Reasons, and The Best Labs for Fatigue Key Takeaways: Fatigue describes more than just feeling sleepy — it’s a ...

Dr. Omar Al-Heeti is an assistant professor of medicine at Southern Illinois University and practices internal medicine with a specialty in infectious diseases. He received his medical degree from the ...

Many different lab tests are used to find changes in your body that can happen with lupus. The results of each test help your doctor get a fuller picture of your health. Because lab tests alone can’t ...

A blood osmolality test measures the blood for the concentration of certain dissolved particles. This test can show whether a person has an irregular balance of fluids in their body. Osmolality tests ...

Because the risk of many conditions increases with age, doctors generally recommend more frequent lab testing as you get ...

Could this five-minute palm scan read your body better than a blood test? - Nutritionist Louise Pyne tries the five-minute ...

Lab tests that measure urine concentration and hormonal levels can help diagnose diabetes insipidus, a condition that causes excessive urination. Share on Pinterest Jovana Milanko/Stocksy United ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...

Biological age tests measure how fast your body is aging compared to your actual age. These tests rely on biomarkers tied to ...

ABC News' Becky Worley writes about her experience with elective medical tests. Becky Worley is a consumer and technology correspondent for "Good Morning America." When my 41-year-old best friend was ...