A blood test may be routine, but preparing for it isn’t always intuitive. Some people worry about feeling faint, others aren’t sure whether they can eat beforehand, and many don’t realise that a ...

Since there’s no great one-time blood, urine, or saliva test to confirm you’re in the menopause transition (only for post-menopause), we rely on symptoms to help diagnose the condition. That being ...

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 ...

Firms like Function Health and Oura market regular blood tests to people wanting to take their health into their own hands. The process often raises more questions for patients than it can answer.

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 ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...