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TIL Estrogen is linked to causing depression and anxiety in women but doctors and scientists are unsure how. The actual measured level of estrogen doesn't predict emotional disturbances.

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E10OV TIL: the sun does not provide vitamin D. It synthesizes the vitamin D already in your body.
j4ep TIL in Kyoto, Japan there are five temples that have blood-stained ceilings. They use the floorboards from a castle where warriors killed themselves after holding off against an army for eleven days. You can still see footprints and outlines to this day.
DQ54j TIL That the large Solar Storms of 1972 caused numerous detonations of U.S. naval mines in North Vietnam
jNL9n TIL the primary reason a sequel to World War Z was cancelled is because the Chinese Government have banned films featuring zombies or ghosts
JyOv TIL that Pyrrhus of Epirus lost so many men in his victories against Rome that he claimed, “If we are victorious in one more battle with the Romans, we shall be utterly ruined.“ This coined the term pyrrhic victory.