You can overdose on caffeine.
274
In Saudi Arabia, a woman reportedly may divorce her husband if he does not keep her supplied with coffee.
479
Starbucks uses round tables to make solo coffee drinkers feel less alone.
11
In 1943, a Pan Am Airline chef snuck whiskey into passengers' coffee to warm them up on a winter flight. When asked what kind of coffee they were being served, he improvised "Irish Coffee," creating the now-famous cocktail.
7
Caffeine boosts memory.
405
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101

