According to the National Center for Health and Statistics, under the Centers for Disease Control and Prevention (CDC), roughly 30% of both adults and children have allergy symptoms. Therefore, over ...

Alveolar macrophages are immune cells that live in the tiny air sacs of the lungs. Under normal conditions, these cells act as guardians, keeping the lungs healthy, supporting breathing, and ...

Add Yahoo as a preferred source to see more of our stories on Google. red tattooed flower A years-long ordeal for a tattooed Polish man who underwent multiple surgeries to excise every last chunk of ...

How does the same infection, say the flu or a cold, give some people mild symptoms and leave others suffering? Why do people develop autoimmune diseases? And will we ever be able to predict when—and ...

How can trillions of microbes live in our gut without causing a massive immune reaction? Scientists have been researching this question for years, and we are learning more about how the gut microbiome ...