Top 10 Worst Things for Your Immune System

Staying healthy isn't just about using hand sanitizer and avoiding coughing co-workers. It turns out some pretty surprising daily habits—like how you fight with your husband or whether you stay up late for Letterman—can impact how well your body fends off colds, flu and other pesky bugs. Here's a list of science-backed tips to add to your stay-healthy arsenal today. Find Out If Your Immune System Needs a Boost You Avoid the Water Cooler Friendship may be Miracle-Gro for your immune...Full Story