Here is the way that is best to improve Your Immune Protection System S ome individuals appear to breeze through cold-and-flu period without a great deal as a sniffle. What’s their secret? Regular physical exercise is a prime prospect. “If you appear after all the life-style factors that reduce the quantity of days you suffer from common cold, being truly a actually active and healthy person is the most essential, ” says David Nieman, a teacher of general public health insurance and manager regarding the Human Efficiency Lab at Appalachian State University.