Vitamin-rich food important for health from Medwatch 7 KSWO on Vimeo.

You’ve heard that “an apple a day keeps the doctor away.” According to registered dietitians, there is a lot of truth behind the old saying.

Cleveland Clinic registered dietitian Julia Zumpano says foods that are rich in vitamins C, B and E are the most effective when it comes to warding off illness, and the more colors, the better.