Use your smart phone to help you quit smoking

Smoking is both a physical addiction to nicotine and a learned psychological behavior, so the best way to quit is to attack it from both sides, says Sarah Shelton of the Brown School at Washington University in St. Louis.
“Quitting smoking is a process of eliminating the physiological dependence on nicotine and re-learning how not to smoke,” says Shelton, manager of research and evaluation at the Brown School’s Center for Public Health Systems Science.
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