Immune cells known as neutrophils act as first responders to infection. Research on zebrafish shows light regulates their activity and boosts their ability to kill bacteria.

Ever found yourself out of sync with normal sleep patterns after late nights or working a night shift? It could be you're experiencing what scientists ...

Medically reviewed by William Truswell, MD Palmar erythema, sometimes called liver palms, is when both of your palms turn red ...