healthland.time.com

neYN9 TIL that cavities are contagious. Activities like kissing and sharing drinks can transmit the bacteria Streptococcus mutans and when combined with other factors this can lead to cavities.
mxodO TIL: Parasitic worms can cure or alleviate allergies and suppress the Autoimmune system
p8lPG TIL about Brooke Greenberg, a girl who never aged. She died at the age of 20 still looking like a toddler.