"It is now proved beyond doubt that smoking is one of the leading causes of statistics"

This quote by Fletcher Knebel is an amusing method of explaining the risks of cigarette smoking. By saying that cigarette smoking is among the leading causes of data, Knebel is indicating that smoking cigarettes can cause a range of health problems and diseases. This is since statistics are often used to measure the occurrence of diseases and other health problems. Therefore, Knebel is recommending that smoking cigarettes can result in a boost in the number of individuals suffering from health problems.

Knebel's quote likewise implies that the threats of smoking have been proven beyond doubt. This is likely a recommendation to the many studies that have actually been carried out on the impacts of cigarette smoking, which have all concluded that smoking cigarettes is a significant danger element for a range of health concerns. For that reason, Knebel is emphasizing the value of taking the dangers of smoking cigarettes seriously and avoiding it altogether.