Because caffeine is a psychostimulant, older women who drink 3 or more cups of coffee or tea a day have less memory loss and cognitive decline than their counterparts who drink less or none.

因为咖啡因是一种精神安定药，老年妇女每天喝3杯或以上的咖啡或茶，记忆的丧失和认知能力的下降要比对喝少或根本没喝的要少。

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Conversely, 'people who don't feel that healthy may be less likely to drink six cups of coffee a day.

相反，“那些自我感觉不那么健康的人一天喝上六杯咖啡的可能性更小。”

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The stress of their jobs makes women more likely than men to drink too much coffee, eat high-calorie snacks and take less exercise than their male counterparts.

与男性相比，工作压力迫使女性饮用更多的 咖啡，食用更多的高热量零食，降低运动量以及增加吸烟量等不良生活习惯。 但面对同样的工作压力，男性与女性的情况却大有不同。

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"Americans drink less coffee than they did ten and 20 years ago, " he says.

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Although the researchers took into account a wide range of extenuating factors, including diet and exercise regimens, smoking, alcohol consumption, body mass index, and marital status, it's possible that people who drink coffee differ from the rest of the population in as-yet unidentified ways that make them less vulnerable to disease and early death.

CNN: Coffee drinking linked to longer life