'And just a regular coffee for me,' I said.

“我只要一份普通的咖啡，”我说。

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And it can give a boost to those who aren't regular coffee drinkers.

而且，它也能使偶尔喝喝咖啡的人更清醒。

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Men who drank four or more cups of regular coffee each day had a 45 percent lower risk.

每天喝四杯或四杯以上咖啡比不喝咖啡的男子得胆结石的可能性低45%。

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As the story goes, in order to make the drink more like regular coffee, they added hot water.

BBC: The world��s many cups of coffee

Previous research has hinted at a reduced risk of dementia in regular coffee drinkers, although the exact reasons behind this have not been clear.

FORBES: A Snapshot of Caffeine's Fascinating Effects On The Brain

It turned out that in regular coffee drinkers, a good number of these adenosine receptors were blocked by caffeine when the people were infused with it.

FORBES: A Snapshot of Caffeine's Fascinating Effects On The Brain