golfers chewing tobacco Jason Dufner slips some into his mouth during practice for the PGA Tour Championship on September 17, 2013 at East Lake Golf Club in Atlanta. The 30 top players are Tour Pro's Little Helper: Does

The researchers found that the severity of cigarette addiction, as indicated by the number of criteria met, increased with the frequency of smoking, with 35% of those smoking one-to-four cigarettes per day and 74% of those smoking 21 cigarettes or more per day being moderately or severely addicted

Drizlys big advantage is availability

Donald, 55, France: A diagnosis of tongue cancer led me to grab the nicotine gum and patches In 2011, I was diagnosed with tongue cancer, so gave up the cigarettes, cold

Current local laws that exempt certain groups (active-duty military members, for example) are now preempted by the federal law, which has no such exemptions

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