Sweet potatoes, mangos, carrots, apricots, pineapples, corn and pears are great sources of beta-carotene, as well as being another rich source of vitamins, minerals and fiber. It is believed these choices do much to enhance your immune system.
Oprah Radio host Dr. Mehmet Oz talks with oncologist and nutritionist Dr. Dwight McKee about how to reverse nutritional mistakes that people make every day.