When the doctor orders lab tests, have you ever wondered how or who tests your tissue samples? Probably not. Most people never see the medical world beyond the examination or waiting rooms. There’s ...

Despite the boom in genetic tests available in US laboratories, oversight remains patchy. A survey of laboratory directors suggests that mandatory proficiency testing would result in fewer errors.

A principal investigator (PI) completes this procedure risk assessment for tests being conducted in a lab. Using the involved chemicals' Lab Safety Data Sheets, the risk for using the chemicals are ...

High levels of a hormone found in cells in the gut could underlie many cases of chronic diarrhea and help explain up to 40% of cases of patients with irritable bowel syndrome with diarrhea, according ...

Doctors may perform endoscopies to diagnose esophageal cancer. They may also order laboratory tests and other imaging tests, such as MRI and CT scans, to confirm the diagnosis and determine whether ...