TMS appears to be an effective technique to help college freshmen resist gaining weight in an environment that is conducive to weight gain. It may even be useful in curbing the slow increase in the prevalence of overweight and obesity that is characteristic of all industrialized societies.

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Preventing weight gain requires knowledge. What we're finding is that some knowledge about portion size and regular feedback about people's weight may be enough to prevent a gradual but typical weight gain that occurs in this country over time.

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