The smoking habit he had acquired while on Guam stayed with him for years after he came home.
But anti-tobacco advocates suspect that it is really aimed at getting youngsters to take up the smoking habit.
The president also admitted Tuesday that while he is "95 percent cured" of his smoking habit, he does still smoke on occasion.
Earlier this year, the actor revealed his struggle with the lung disease emphysema - caused, he said, by a 50-year smoking habit.
Talk to your doctor if you need help breaking a smoking habit.
Tobacco manufacturers have been accused of adding substances to cigarettes to increase their addictiveness so that more people are hooked by the smoking habit.
As Americans kick the smoking habit, investors in these securities may take the hit as dwindling cigarette sales cause payments to fall off a cliff.
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One day, decades from now, people may look back on our reckless consumption of soft drinks and chips in the same way that we today look back at a three-pack-a-day smoking habit.
Council Member Stephen Levin, a backer of the plan who began smoking when he was a teenager, said he believes the accessibility of tobacco and near-ubiquitous advertising by the tobacco industry was the "main culprit" for his smoking habit as a youngster.
They talk of the smoking-habit and the swearing-habit and the drinking-habit, but not of the abstention-habit or the moderation-habit or the courage-habit.
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Today, smoking remains a stubborn habit because it is an integral part of Chinese social life.
Many iReporters who once smoked told CNN they were aware that smoking was an expensive habit with risks such as emphysema and cancer, but they couldn't quit.
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"I've learned the hard way that quitting a habit as addictive as smoking is a constant struggle, " the Brooklyn Democrat said.
For many anti-smokers it is inconceivable that rational people can understand the risks of smoking and still continue with the habit.
The perception of the harmful effects of smoking, for example, can influence habit and addiction.
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Like smoking itself, the bonds may become habit-forming and bad for your long-term health.
However, while people quit smoking in the UK, in many developing countries the habit is catching on fast.
Ultimately, we may be on a course for divided theaters not by class, as was the Globe, but by habit, like separate train cars designated for smoking, eating and sleeping, depending on one's preference.
Mostly, they talk about changing some habit: eat less, work out more, stop smoking, become more organized.
The report recommends that movie ratings take into account smoking scenes and suggests that strong advertisements about the dangers of the habit precede such films.
Women smoking nowadays are far more likely to die as a result of their habit than they were in the 1960s, according to a new study.
But to add to the risk-list associated with the habit, this week's British Medical Journal found that cigarette smoking accounts for one in eight hip fractures in women.
Now that he has kicked the industry's habit of denying that there is anything the least bit unwholesome about smoking, Mr LeBow finds his motives impugned by the tobacco bosses who have continued for years to insist with straight faces at congressional hearings, against all the evidence, that they do not believe nicotine to be addictive.
This is an earlier testing stage - although anti-smoking campaigners say it could be of significant help to those battling to quit the habit.
Experts already know that women who start smoking increase their risk of a heart attack by more than men who take up the habit, although it is not clear why.
Now that smoking has been banned in all New York City bars, nicotine addicts have to step outside to feed the habit.
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And while smoking is hardly the only reason--low income nations have many variables affecting life expectancy--the habit has always been picked up most heavily by the less well-to-do, exacerbating the health and earning problems even more.
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