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Figures Relating to Cigarette Smoking and Cancer

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Consider the following approximate figures relating to cigarette smoking and cancer. The death rate in the US population of 260 million is 12 deaths per 1000 persons per year. One-fifth of these deaths are from cancer and one-fourth of the cancer deaths are from lung cancer. Ninety percent of the lung cancer deaths occur among the sixty million people who smoke. How many deaths are there per year in the US from all causes? How many cancer deaths? How many lung cancer deaths? What is the lung cancer death rate among smokers expressed in deaths/yr/1000 smokers? What is the same rate among non-smokers?

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Number of death per year in the US due to all causes is:
260M*12/1000=3.12 (Million)

The number of cancer deaths is one-fifth of this, which ...

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