A strong immune system helps protect you from infections by germs such as bacteria, viruses, and fungi. Some signs may show that your immune system isn’t working well. One clue that your immune system ...

An estimated 1 in 15 Americans lives with an autoimmune disease, yet the average patient sees six doctors over four years ...

Multiple sclerosis (MS) is an autoimmune inflammatory disease of the central nervous system in which your immune system mistakenly attacks the protective coating around your nerves—called myelin. This ...

Many people brush off frequent illness as stress, weather changes or simply bad luck. A cold that keeps returning, wounds that seem to take forever to heal or a constant feeling of tiredness often ...

So much of your health depends on the strength of your immune system, a sophisticated inner defense force that can protect you from disease and heal injuries. And some people have stronger defenses ...

As we age, our immune system quietly loses its edge, and scientists have uncovered a surprising reason why. A protein called platelet factor 4 naturally declines over time, allowing blood stem cells ...