Medically reviewed by Anju Goel, MD Pyuria with white blood cells and bacteria usually indicates a urinary tract infection (UTI). Pyuria can cause urine to appear cloudy with a strong, foul-smelling ...

White blood cells are important foot soldiers in the immune system, but their numbers can be cut by health conditions or treatments like chemotherapy. Yale scientists have now discovered a molecule ...

An opportunistic bacterial infection that causes deadly diarrhea is more likely to kill White patients than Black or Hispanic people, a new study says. About 84% of deaths caused by Clostridioides ...

From the moment they’re born, newborns — or, specifically, their immune systems — must learn to fight germs without harming their own tissues. In a new study, Yale researchers found that one type of ...