medlineplus.gov

BgJQr TIL 65% of the population of the world is lactose intolerant.
woJk1 TIL that bones can bleed and bruise just like skin; I banged my toe against a brick wall and did some deep research after.
yVlma TIL that the genetic disorder Fibrodysplasia ossificans progressiva is a disorder in which muscle tissue and connective tissue are gradually replaced by bone (ossified), forming bone outside the skeleton. People with fibrodysplasia ossificans progressiva are generally born with malformed big toes