Find out what you need to know about the string test, and discover when and why it's performed, and how it may affect health.

Researchers say the test is a less invasive way of monitoring eosinophilic esophagitis than using an endoscope, a long, thin tube attached to a camera, into the body. Results from Ackerman’s ...

The pill-on-a-string test also is much quicker, easier and cheaper than endoscopy, added lead researcher Dr. Keith Tan, an honorary registrar in gastroenterology and hepatology at Addenbrooke’s ...