Choose a medical career based on your interests and with an understanding of the amount of schooling different careers will require. Prepare to spend as little as a year to as much as 12 years training for a medical career with information from a family doctor in this free video on medical careers. Expert: Dr. David Cathcart Bio: Dr. David Cathcart specializes in occupational medicine and has an in-depth knowledge of cancer, as well as experience dealing with cancer patients and treatment for multiple years. Filmmaker: Johnny Cathcart

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