Some people have weak immune systems from birth due to genetic conditions called primary immunodeficiencies. Certain ...

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 ...

Measles can induce immune amnesia, a phenomenon that eliminates acquired immunity to other infectious diseases.

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 ...

A healthy immune system is an important line of defense against COVID-19. Unfortunately, our modern lives are often built around bad habits that can weaken our immune systems and reduce our ability to ...