I reassured him and sent him to get another blood specimen drawn without a tourniquet. Why? Because I suspected that the ...

Famed biohacker Bryan Johnson and his Blueprint team devised this measure of harmful plastic particles in your blood.

Learn about the many tests and examinations your blood sample undergoes in a lab. Giving a blood sample during a doctor’s visit is a common procedure. Discover the dizzying array of automated tests ...

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 ...

Inside one transparent plastic container on a rack of shelves is someone’s big toe. Inside another, someone else’s uterus. In the complex and bureaucratic health care system, this bright room and its ...