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Coffee consumption, rheumatoid factor, and the risk of rheumatoid arthritis
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  • Published on: 23 October 2000
    Re: Coffee or decaf?

    Dear Editor:

    The surveys were conducted in 1970s. At that time the majority of Finns drank traditional boiled coffee. The use of decaffeinated coffee was exceptional. In the Mini-Finland Health Survey, there was a negative correlation between daily cups of tea and coffee (age and sex adjusted partial r= -0.30, p...

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    Conflict of Interest:
    None declared.
  • Published on: 23 October 2000
    Coffee or decaf?
    Dear Editor:

    This potentially valuable information about a relationship between coffee consumption and the presence of the rhematoid factor is difficult to evaluate because of a lack of clarity in definitions. What is meant by "coffee"? Is coffee, caffeinated or decaffeinated? This is an obvious distinction that readers need to consider these findings.

    Also, it would have been interesting to have information ab...

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    Conflict of Interest:
    None declared.