Every time our body encounters a new disease-causing agent, a crucial defense system called adaptive immunity comes into play ...

In granulomatosis with polyangiitis, relapses are more likely to affect the same organs that were involved at diagnosis — most commonly the ENT, kidneys, and lungs.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...