TIL; 1 out of every 50 people in the US has an unruptured brain aneurysm.

TIL There are more than 300 types of headaches, but only about 10% of headaches have a known cause. The brain tissue and the skull are never responsible since they don't have nerves that register pain

TIL Lincoln made no mention of Pilgrims, Plymouth or Natives when he codified Thanksgiving as a national holiday.