Institute of Medicine President Dr. Harvey Fineberg says people know preventive medicine is the right thing to do, yet health care practitioners and patients have a difficult time putting it into practice. Fineberg, who wrote about the issue in the Journal of the American Medical Association, says cultural changes are needed to help make preventive care the norm, but employers and government policy also have roles in disease prevention. "We're often stymied by the growing amount of obesity, but actually a very small daily change in the number of calories and the amount of exercise you get would make a huge difference over time," he said.

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