us tobacco U.S. Cooperative Data Visualization of U.S. Tobacco
Description
Essentially, the report stated that there might be some short-term benefits to e-cigs if cigarette smokers switch to using only an e-cigarette for a limited time and then quit using both cigarettes and e-cigarettes. They also stated, e-cigarettes cannot be simply categorized as either beneficial or harmful to health because longer-term data is needed

Retrieved 30 April 2019

Hello Folks
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** Sum of sample across 4 hospitals: TQEH: 1298
Huff coughing may also be effective

Food, Nutrition, Physical Activity, and the Prevention of Cancer: A Global Perspective
