Dogs May Help Soothe Vets With PTSD

The researchers focused on cortisol, a biomarker involved in the stress response system, and one that is detected through saliva.

According to study co-leader Kerri Rodriguez, “military veterans with a service dog in the home produced more cortisol in the mornings than those on the waitlist.”

Rodriguez explained that “this pattern is closer to the cortisol profile expected in healthy adults without PTSD.”

In addition, “having a service dog was also associated with less anger, less anxiety and better sleep,” she noted. Rodriguez is a human-animal interaction graduate student.

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