At a warehouse near Dallas, a black Lab named Papi tugs on a rope to open a fridge and passes his trainer a plastic water bottle with his mouth.
Service dogs are often trained to help veterans with physical disabilities. Now, a growing number are being trained to meet the demand from vets with post-traumatic stress disorder and other mental health issues.
Those dogs learn extra tricks β how to sweep a house for intruders, for example, so a veteran feels safe.
[For more of this story, written by Lauren Silverman, go to http://www.npr.org/sections/he...-but-the-va-wont-pay]
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