The stethoscope is a ubiquitous screening tool and a symbol of the medical profession. It may also need an update. The effectiveness of the 200-year-old device depends on the skill, experience and ...

The Stethoscope and the Art of Listening. Author: Howard Markel, M.D., Ph.D. Author Info & Affiliations. ... I contend that the stethoscope best symbolizes the practice of medicine.

In The Wall Street Journal, Eric Topol and Stephen R. Quake write that the ability to see ‘alien’ DNA and RNA in the blood can detect cancers very early and even predict Alzheimer’s.