Immune system response

Have you ever wondered why elderly and older people get more sick? Why many older people cannot survive with Covid-19 infections? What makes their system so fragile?

Have you heard about a rare disease called Guillain Barre syndrome? Also known as GBS, Guillain Barre syndrome is not contagious or inherited.

Lupus is an autoimmune disease in which immune system attacks healthy cells by mistake and damage many parts of the body