Human immunodeficiency virus (HIV) is a germ that causes a lifelong infection that slowly weakens the immune system. Though the infection is lifelong, medicines can keep the virus in check and help ...

How people with compromised immune systems respond to vaccines is an important area of immunological research. A study led by ...

Green tea contains beneficial compounds that may support immune health by reducing inflammation, fighting oxidative stress, ...

Why can the human immune system often remember a vaccination for a whole lifetime? Researchers at ...

“My year of unraveling” is how a despairing Christy Morrill described nightmarish months when his immune system hijacked his brain. What’s called autoimmune encephalitis attacks the organ that makes ...

Pain is something most people experience after an injury, whether from a sprained ankle, surgery or car accident. Normally ...

Vitamins and supplements like zinc and cod liver oil are often touted for their ability to boost your immune system, but Jeffrey Bland, the "father of functional medicine," says that's not actually ...

Your immune system may be weak if you have frequent, severe, or extended infections. Learn more signs of a weak immune system.