A study looks at the relationship between diet, gut bacteria, and osteoarthritis. Surprisingly, it found that the microbiome is linked to joint health.

New research examines what goes on in the brain when people perform a task in front of an audience versus when they are not being watched.

A red cell distribution width (RDW) blood test can help detect the presence of anemia, along with what could be causing it. The test identifies the size difference between the biggest and smallest red blood cells in a sample. In this article, we look at what to expect when having this test, and when it might be used.