Here are some simple steps you can take to build your immune system.
Reduce Your Stress Levels. Chronic stress suppresses the immune response of the body by releasing the hormone cortisol.
Drink Tea and Tisanes
Moderate Your Alcohol Intake. .
Make Sure You Get Your A-B-C-D-Es.
Eat More Fruits and Vegetables. .
Get Your Exercise. 10 K steps per day.
Get Sufficient Sleep 7-9 hours per night.