Scientists at Imperial College London have become the first in the world to test how pathogens interact with artificial human organs. Artificial human organs, or organ-on-chip technologies, simulate a whole organ’s cell make up and physiology. They act as alternatives to animal models in drug safety testing, but until now …

People with anxiety and depression might feel a little better after they get mild electric shock therapy, but it’s unclear how much it will help or whether this treatment might ease other conditions, researchers say. The therapy, known as cranial electrical stimulation, delivers a current similar to that of a …

PARIS: More than 12 percent of people who have gastrointestinal surgery become infected within 30 days of going under the knife, researchers said Wednesday in a study covering 66 countries. For low-income nations, the incidence of so-called surgical site infection was double the global average, according to the results, based …