A member asked:

Why is it important to have a healthy immune system?

A doctor has provided 1 answer
Dr. John Chiu answered

Specializes in Allergy and Immunology

We live in a hostile environment and must fend off all harmful outside invaders to stay healthy. A declining immune function not only makes you more susceptible to infection but to development of cancer as well. A dysfunctional immune system can lead to allergic and/or autoimmune diseases. In fact, the declining immune system is probably a major cause for aging.

Answered Nov 26, 2015

4.9k views

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