This study is put together by Men's Health. Seattle Pi describes that the study took into account the "percentage of households that own coffeemakers and buy coffee; household average spent on coffee; coffee shops per capita; percentage of people...
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This study is put together by Men's Health. Seattle Pi describes that the study took into account the "percentage of households that own coffeemakers and buy coffee; household average spent on coffee; coffee shops per capita; percentage of people who drink coffee and who drink five-plus cups a day."