Anika Christ, a personal trainer and the director of client optimization at Life Time, shares here advice on how to use food to strengthen your immune system (5:44). WCCO 4 News At 10 – November 28, 2020 Anika ChristCoronavirusCOVID-19FOODSIMMUNEimmune systemimmune systemsIMMUNITYLife Time FitnessSTRENGTHENSYSTEMvideoVITAMINvitamin immune systemvlogWCCO 4 NewsYouTube