From taking a day off of work to stay in bed to having to run out to the store for last minute medicine that you were sure you had, no one enjoys being sick. But what if there were quick and easy ways to boost your immune system so you could feel your best all year long? This collection of 175 "hacks" includes exercises that build and strengthen the immune system, and tips on the best foods, vitamins, minerals, herbs, and supplements. Here too are some considerations on how your system is affected by gut health and a variety of environmental factors, plus the lifestyle choices you can make that can help guard against diseases.