Food Is The Earth's Most Potent Medicine with Kara KroegerMP3 Download In her late teens, Kara Kroeger traveled to Central America and discovered her lifes passion of herbs, food, and nutrition. She says, I really began to use foods more like medicine in the same way that I had learned to use herbs. . . people love food and food is easy and its available everywhere. She also encourages us to avoid refined foods and, for the most part, when shopping for foods go for the ones that youll find in the perimeter