Tips to Boost Your Immune System Against the Cold and Flu TIPS TO BOOST YOUR IMMUNE SYSTEM AGAINST THE COLD AND FLU About 5 to 20 percent of people in the U.S. come down with the flu, usually in the winter between October and March. When the immune system is working properly, all cells, tissues, and organs should be strong enough to fight off infection. Next Pages: 1 2 3 4 5 6 7 8 9 10 Allergy Allergy & Asthma Asthma Cold and Flu CONSIDER PROBIOTICS COUGHING ENOUGH SLEEP exercise FRUITS GARLIC Immune System Against the Cold and Flu MEDITATE POSITIVE SLEEP VACCINATED VEGGIES 2017-12-31 ash