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Archived from the original on 3 September 2007

As cannabis use becomes more widespread due to legal changes, its important to understand how it might affect orthodontic treatments

While a single cigarette contains 8-20mg of nicotine, your body only absorbs about 1-2mg of it

Just as it took decades to confront the smoking epidemic, I believe the next five years will be pivotal in how we address these new challenges

Researchers at Penn State College of Medicine and Duke University found that many light smokers -- those who smoke one to four cigarettes per day or fewer -- meet the criteria for nicotine addiction and should therefore be considered for treatment