Coffee is a brewed beverage with a strong flavor prepared from the roasted seeds of the coffee plant.

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How to concentrate without external stimulants? [closed]

I'm a programmer and my work requires intense mental focus. My goal is to get 8 clean, productive hours of programming per day. I tried this yesterday, and I managed to get only 2:35 hours of clean ...
8
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3answers
564 views

Coffee: good or bad for work? [closed]

Are there any reliable researches defending the regular consumption of coffee at work?
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5answers
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How long after you drink coffee before it starts being useful

That is to say, how long before you notice the effects, feel more alert, and so on. I'm assuming it's different for each person, but there must be a range. Also, does it differ for different types ...