From 1976, specially trained dogs as therapeutic companions to various institutions and nursing homes. Studies have shown the positive effects of interacting with therapy dogs. The levels of oxytocin (often called the 'bonding hormone') and dopamine (associated with Parkinson's disease) increase the interaction, While cortisol levels are reduced.

The Nala the poyntl has no formal training as a therapy dog, but very often visits a nursing home in Minnesota, USA. When is there, Returns from door to door and make friends in all of her friends.