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Evans-Polce, R
Periodontal effects associated with the use of smokeless tobacco
Enrollees in the gradual-quit group did get to choose whether, in the two-week period over which they were to stop smoking, they would taper their daily cigarettes, observe smoke-free periods, or smoke on a schedule
The decline in smoking over the past two decades has been one of the great public health achievements of the 21st century, but worsening air pollution has offset many of the expected gains in general respiratory health
"There's no safe level of smoking
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