7 Ways to Boost Your Immune System
Before you stock up on vitamin C supplements the week before a trip, know that they haven't been shown to effectively prevent colds. Unless you're a marathon runner or a fitness enthusiast who trains in low temps, the best way to avoid getting sick is to build up a strong defense system. Although even that won't completely protect you, it's your best chance for staying healthy all season. See seven ways you can boost immunity ahead.