The world's most popular coffee species are going extinct. And scientists say we are to blame

By Lauren Kent, CNN

Updated 1907 GMT (0307 HKT) January 16, 2019

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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But it was the Arabs who started coffeehouses, and that's where coffee got its first black mark. Patrons of coffeehouses were said to be more likely to gamble and engage in "criminally unorthodox sexual situations," according to author <a href="https://www.washington.edu/uwpress/search/books/HATCOF.html" target="_blank">Ralph Hattox</a>.
Photos: Coffee's health history
1500s headline: Coffee leads to illegal sex – But it was the Arabs who started coffeehouses, and that's where coffee got its first black mark. Patrons of coffeehouses were said to be more likely to gamble and engage in "criminally unorthodox sexual situations," according to author Ralph Hattox.
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As the popularity of coffee grew and spread, the medical community began to extol its benefits. It was especially popular in England as a cure for alcoholism, one of the biggest medical problems of the time.
Photos: Coffee's health history
1600s headline: Coffee cures alcoholism – As the popularity of coffee grew and spread, the medical community began to extol its benefits. It was especially popular in England as a cure for alcoholism, one of the biggest medical problems of the time.
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This 1652 ad by London coffee shop owner Pasqua Rosée popularized coffee's healthy status, claiming that coffee could aid digestion, prevent and cure gout and scurvy, help coughs, headaches and stomachaches, and even prevent miscarriages.