A case-control study claimed to have found a relationship between drinking coffee and pancreatic cancer. The cases were people recently hospitalized with pancreatic cancer, and the controls were people hospitalized for other reasons. When asked about their coffee consumption for the past year, it was found that the cancer cases drank more coffee than the controls. Give a reasonable explanation for this difference other than a relationship between coffee drinking and pancreatic cancer.

There is a possibility that hospitalized people as a result of pancreatic cancer must have been involved in habits such as smoking their entire lives or most of their lives. Most people use coffee because of their habit of smoking and hence smokers drink more coffee than people who do not smoke. Hence cancer may be as a result of smoking and not the coffee.

Explanation:

There is a possibility that hospitalized people as a result of pancreatic cancer must have been involved in habits such as smoking their entire lives or most of their lives. Most people use coffee because of their habit of smoking and hence smokers drink more coffee than people who do not smoke. Hence cancer may be as a result of smoking and not the coffee.

Answer

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