Dogs Cry Tears Of Joy When Reunited With Owners Study Finds
A new study published in Current Biology suggests that your pup may get so excited to see you after periods of separation that their eyes literally well with tears of joy. Takefumi Kikusui, a researcher at Azabu University in Japan, first hypothesized that oxytocin might increase tear production when one of his standard poodles was nursing her puppies and he noticed that her eyes looked teary. Oxytocin is known as a maternal or love hormone, and researchers knew from previous observations that oxytocin is released in dogs (as well as their humans) when they interact, leading Kikusui and his team to run a reunification experiment....