Believe in science? Bad big-data studies might shake your faith
Coffee was wildly popular in Sweden in the 17th century — and also illegal. King Gustav III believed that it was a slow poison and devised a clever experiment to prove it. He commuted the sentences of murderous twin brothers who were waiting to be beheaded, on one condition: One brother had to drink three pots of coffee every day while the other drank three pots of tea. The early death of the coffee drinker would prove that coffee was poison. It turned out that the coffee-drinking twin outlived the tea drinker, but it was not until the 1820s that Swedes
Source: taipeitimes.com