Six easy, natural ways to boost your immune system for flu season

Six easy, natural ways to boost your immune system for flu season:

NaturalNews) Well, summer's over and healthcare professionals are already gearing up for cold and flu season. Don't rely solely on that flu vaccine to keep you protected; in many cases, the vaccines tend to make people sick. And while no single food or supplement can keep the flu at bay, there are a half-dozen ways to boost your immune system naturally, thereby giving you a much better chance to stay flu-free this coming winter: