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TIL of four interwoven studies of smokers, found that sadness increases cravings, frequency of smoking, and volume of puffs, and also predicts smoking relapses, even decades later.

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16Om7 TIL the president of India is female.
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lkMK TIL that 15 minutes of shivering from cold temperatures can be the metabolic equivalent of 1 hour of exercise.
4W5w TIL that about 50% of perceived friendships are actually non-reciprocal
kpnB TIL that Nguyen Cao Ty, who served as President and Vice President of South Vietnam during the Vietnam war, emigrated to the Unites States and ran a liquor store for several years after the fall of Saigon.