Coffee 80 times stronger than espresso could keep you up for 18 hours

By Sophie Eastaugh, for CNN

Updated 1158 GMT (1958 HKT) September 7, 2016

It's thumbs up today, but the news on coffee has not always been positive. Take a look at the arguments for and against coffee through the centuries.
Photos: Coffee's health history
It's thumbs up today, but the news on coffee has not always been positive. Take a look at the arguments for and against coffee through the centuries.
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Legend has it that coffee was discovered by Kaldi, an Ethiopian goatherd, after he caught his suddenly frisky goats eating glossy green leaves and red berries and then tried it for himself.
Photos: Coffee's health history
1500s headline: Coffee makes you frisky – Legend has it that coffee was discovered by Kaldi, an Ethiopian goatherd, after he caught his suddenly frisky goats eating glossy green leaves and red berries and then tried it for himself.
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