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TIL that lung cancer risk after quitting smoking remains elevated for decades and stays more than threefold higher than never smokers after 25 years of quitting smoking.

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neYY TIL that performing whales and dolphins at SeaWorld are force-fed antidepressants to reduce their likelihood of suicide.
NXP8M TIL that 4 out of every 10 people aged 18-39 have a tattoo.
KOvgE TIL pedestrianism was the biggest sport in America before the rise of modern spectator sports
WKZ9 TIL the Louvre was originally built as a fortress in 1190 to protect Paris from the Vikings
R748 TIL the oldest company in the world, founded in year 578, went bankrupt and got sold in 2006.