Could You Survive 90 Days? <br>If Not, Here's What You'll Need to Know: <br>- The difference between bacteria and a virus. <br>-The body's immune response: how it works and how it fails. <br>-How to boost your immunity naturally, mentally and physically. <br>-The ABCs of home defense. <br>-Everything you need to survive for 90 days (and what you don't). <br>-And most importantly ... what to do for fun and keep your sanity.