Take inspiration from stars who have succeeded. They prove you can be cool without lighting up. Here are some of the ways they kicked the habit..

As President Obama prepares for the political battles that lie ahead he is also waging a personal battle – to quit smoking. The new world leader – now officially non-smoking – has publicly admitted falling off the wagon during the race for the presidency. Often spotted chewing nicorette gum, he claims to have made himself “much healthier” but has struggled to kick the habit for good.

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