Add Yahoo as a preferred source to see more of our stories on Google. These immunity-supporting foods can help you stay healthy and vibrant all winter long. With cold and flu season around the corner, ...

We are in the thick of cold and flu season. So, fortifying your immune system is probably high on your list of priorities. While there is no magical food or supplement that will prevent you from ...

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 ...