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TIL Injecting the blood of young mice into old mice can reverse or slow aging and humans also have these same proteins.

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B6XL TIL WebMD ran a test for depression where no matter which of the 10 answers you choose on the test, the result comes out the same: You may be at risk for major depression.
j6K1R TIL Operation Midnight Climax was a program by the CIA in the mid 50s that used prostitutes to lure unsuspecting men to apartments in New York and San Francisco to drug them with LSD to test whether the combination of sex and LSD might influence the men to reveal information the government wanted.
BNLx TIL that at NBC’s insistence, the pilot of “Friends” was rewritten to include an older character who could give the young adults advice: Pat the Cop. The new script was so bad that it was scrapped.
5P8p TIL prior to 1868, eating meat from four legged animals had been prohibited in Japan for more than a thousand years.
NX0Y1 TIL that the Portuguese Man-of-War is a colony of organisms not just one big scary jellyfish