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Service dogs trained to recognize oncoming flashbacks of post-traumatic stress disorder, or PTSD, in people also can be taught to detect these episodes by sniffing their breath, a new pilot study shows.
Dogs love rolling in stinky stuff — the smellier the better. HowStuffWorks talked to an expert to find out why.
"Was it worth it doggo? No. Will you remember this next time? Also, no," one amused user wrote.