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TIL acid reflux, or GERD, can cause chest pains so severe they are often mistaken for a heart attack. Of the 8 million emergency room visits for chest pain each year, severe heartburn accounts for over half the cases in which actual heart problems are ruled out.

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p8nmb TIL If your tooth is knocked out, with root intact, you can actually put it back in place immediately and it will reattach to the jaw bone. It's the only body part that can reattach on its own, although the nerves and blood vessels will need medical intervention.
a8MGL TIL The first vending machine was in Egypt and dispensed holy water, not Coke
4d9w TIL During the 1st season of ‘Fresh Prince…’ Will Smith memorized the lines of EVERYONE in the cast. If you go back and watch closely, see him lip synching the lines of whomever was speaking in a scene.
7rBmP TIL Bill Murray was paid $9000 to film the movie Rushmore.
ANRon TIL that James Cameron spent more time "on" the Titanic than the original passengers did. In 1995, he made 12 deep-sea dives, some lasting 15-17 hours, to film the wreckage. He said it felt like "going to Mecca," and inspired Cameron and his team to commit to the wreck's authenticity.