From Therapy Dogs at Work, one of 21 photos. Young patient Isabelle Stadella hugs therapy dog Joca during a session at Hospital Infantil Sabará in São Paulo, Brazil, on October 18, 2013. (Nacho Doce / Reuters)
From Therapy Dogs at Work, one of 21 photos. Young patient Isabelle Stadella hugs therapy dog Joca during a session at Hospital Infantil Sabará in São Paulo, Brazil, on October 18, 2013. (Nacho Doce / Reuters)