TUESDAY, Dec. 1, 2015 (HealthDay News) -- The companionship of a dog may lower a child's anxiety levels, according to study published online Nov. 25 in Preventing Chronic Disease.
The researchers looked at 643 children aged 18 months and older who were screened for anxiety. Of those children, 58 percent had a dog at home. Only 12 percent of children with dogs tested positive for anxiety, compared with 21 percent of those without dogs, the researchers at Bassett Medical Center in Cooperstown, N.Y., found.
Having a dog may reduce a child's anxiety -- particularly social and separation anxieties -- in a number of ways, such as by triggering conversations and helping break the ice with new people, the researchers suggested. However, the study did not prove a cause-and-effect link between dogs and lower anxiety levels in children.
"Interacting with a friendly dog also reduces cortisol levels, most likely through oxytocin release, which attenuates physiologic responses to stress," the authors write. "These hormonal effects may underlie the observed emotional and behavioral benefits of animal-assisted therapy and pet dogs."
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