IN THE NEWS: The Environmental Protection Agency will allow farmers to resume broad use of a pesticide over objections from beekeepers. A new case study of a man with Crohn's disease details how his symptoms disappeared after he stopped eating animal based and highly processed foods.

MAIN: Vitamins. The discovery of each vitamin was through the work and contributions of epidemiologists, physicians, physiologists, and chemists. Besides the history, we discuss some common vitamin deficiencies and whether or not we should be taking supplements.

TRIVIA: Can Vitamin C ward off a cold?

LISTENER QUESTION: Can Vitamin B12 give me more energy?

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