Is Amoebiasis Contagious tweets
Ariana Grande
Happy I got to perform w my friend @mikasounds today. He's got the most joyful spirit. U make me laugh and your smile is contagious. ily.
UberFacts
Yawns are more contagious among people who have closer relationships.
Unrevealed Secrets™
Yawning is contagious - even thinking about yawning is enough. After reading this fact, there is a 50% chance you will yawn.
richmorin
Is divorce contagious? These researchers suggest the answer is yes--and you can catch it from your friends. http://t.co/0Z6lczsuiT
Fact
A Tanzanian village was once overcome with contagious laughter so severe that it shut down 14 schools.