Development of disease

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In a study, 400 people were separated into 2 groups based on their development of a disease. The 140 people in group one had developed arthritis. The rest which were in group two were free from arthritis. The researchers then went back to see if the subjects had been exposed to 2 or more cups of coffee a day. Within the arthritic group, 70 people drank 2 or more cups a day. Within the non-arthritic group, 105 people drank 2 or more cups a day.

Reference no: EM133297668

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