Fluorescent labeling allows researchers to watch the cellular stress response in real time. In this image of a cell, the red dots are messenger RNA, the blue are stress granules, and the green are ...

Better cardio fitness may lower anxiety during stressful moments and help people stay calmer on difficult days.

During a nuclear stress test, you’ll be injected with a radioactive dye called a tracer. Some of this tracer will remain in your system for a time after the test. A nuclear stress test is a type of ...

Stress granules are transient structures that assemble in response to cellular stress, temporarily halting nonessential processes to aid cell recovery. Under normal conditions, they protect the cell ...