Therapy dogs have earned a bad reputation over the last couple of years thanks to disingenuous persons trying to get free airfare for their pets. However, this does not make the concept any less valid. Dogs have a long history of helping humans, staying by their side in hard times and leading the to domestication of the animal. People need therapy dogs for various reasons. Often it is due to anxiety as petting animals has been known to reduce stress and help people through difficult times. This anxiety could be generalised, but it could also be due to PTSD, depression or a variety of circumstances.
The best therapy dogs are those which are there to help people with depression and often have the calmest natural disposition. They are usually there to help with emotional therapy, ease mental health problems and simply help people through their day to day lives. They should be good with strangers and not exacerbate emotional issues their owners might have.

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