Too Fat? Read Your E-Mail

A new study shows that simple e-mail reminders can prod recipients to eat better and exercise more

Gregor Schuster / zefa / Corbis

Just before you picked up this magazine, you probably made a decision that affected your health. Maybe you bought the pizza instead of the salad. Or are sipping soda instead of water. Perhaps you decided once again to delay the beginning of your long-planned exercise routine. Every day there are hundreds of seemingly trivial decisions that individually may not mean a whole lot but in combination can add or subtract a substantial amount of time to or from our lives. As a doctor, I am convinced that most people know the healthier choice; they just need frequent reminders to make it....

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