gum disease from chewing tobacco The Dangers of Smokeless What can dipping and chewing
Description
Within 12 hours of your last cigarette, blood carbon monoxide levels are much lower and after a year, the risk of coronary heart disease will be half of what it once was as a smoker

Here's the thingthis comparison is trickier than it sounds, but we'll do our best to make sense of it
One of those is TV presenter Jeremy Kyle, who has given up after 35 years of smoking, using e-cigarettes

January 2004;2(1):22-27.
