This was also a higher reading than we got from the volunteers simply relaxing. The immune system is complex, and it’s not simply the case that increasing the white blood cell count in a person ...

Doing lots of exercise in older age can prevent the immune system from declining and protect people against infections, scientists say. They followed 125 long-distance cyclists, some now in their ...

An overactive immune system may help explain the cause of chronic fatigue syndrome, scientists from King's College London have suggested. Many sufferers of CFS, or ME, say their condition began ...