Running for an hour several times a week can cause mineral deficiencies severe enough to impair your immune system. What's an Immune system you ask? Ok, the immune system is the body's defense against infectious organisms and other invaders. It attacks the organisms and other substances that invade the body and cause disease.Taking a multivitamin can help prevent deficiencies. Your local GNC can help you with your choice. If you are short on dough, just pick some up at any drugstore or super market.
No Invaders Here!