Duncanville, Texas — Here’s one pet who’s made one vet very happy. US Army Specialist and Combat Medic Dustin Deweerd was combating PTSD after his return from Afghanistan, but was able to overcome it thanks to a dog he met through an organization that pairs veterans with canine companions.   U.S. Army Specialist Dustin Deweerd with Gunny at Acton Elementary School. Angel Canales /ABC News Deweerd said he didn’t want to take medication to combat his symptoms while getting treatment at a VA Hospital. “They were trying to give me pills, sleeping pills and antidepressants and I didn’t want any…

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