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TIL 1 to 2.4 hours of jogging per week is associated with the lowest levels of mortality, whereas running faster than 7mph & more than 4 hours a week yields a mortality rate not statistically different from that of being sedentary.

Read more ncbi.nlm.nih.gov

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yQnXa TIL only 2% of Ford buyers took the $27 seat belt option, in 1956. And in the 80's, less than 15% of Americans said they used seat belts and a Gallup poll showed that 65% of Americans opposed mandatory belt laws. Now "more than 90% buckle up regularly".
b9P0a TIL Fans of Michael Jackson's Thriller album believed that the UPC barcode on the album was Jackson's phone number. Because of this, a woman named Barbara Brown in Youngstown, Ohio, received upwards of 12 calls a day after Jackson won eight Grammy awards. Many believe the rumor was spread by MTV.
xVjV7 TIL During Prohibition, moonshiners would wear "cow shoes." The fancy footwear left hoofprints instead of human shoe prints, helping distillers and smugglers evade police.
vYMr TIL in 1994, the pilot of an Aeroflot Airbus A310 allowed his son to sit at the controls during a flight. The boy inadvertently turned off the autopilot controls, sending the plane into hillside and killing all 75 aboard.
X0Am8 TIL in 1925, a forger convinced Portugal's money printer to make him 200,000 bills, worth ~1% of Portugal's GDP. They were easily laundered, since they weren't actually counterfeit. To cover his tracks, he started buying a controlling interest in the Bank of Portugal, but was caught. He was 28.