Study: Ex-smokers gain more weight than thought


Researchers find that those who kicked the habit gained an average of 10 to 11 pounds after the first year with most of that weight gained within the first three months.

Nicotine boosts the metabolism allowing people to burn calories faster. Still, doctors say this should not discourage people from quitting. It's still much healthier not to smoke.

The study is published in the British Medical Journal.

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