Researchers at Washington University spent with Pets is an unusual experiment in which figured out how a short conversation with a pet helps people overcome the stress.
Journal AERA Open has published the results of the study, which was attended by 249 students. Students intentionally distributed to four groups.
The first group had contact with dogs and cats 10 minutes. The second group simply watched the first. The third group looked at various pictures with Pets. The participants of the fourth group just announced that they will be in contact with animals, but it never happened.
Subsequently, scientists at various times have taken (three times) saliva samples from each participant in the experiment for evaluating the content of the stress hormone cortisol in the body. In the end, scientists noticed that in the first group the stress hormone dropped significantly after contact with animals after 10 minutes.
Cortisol levels in the second group also decreased, and students of other remaining groups, there were no changes in the composition of the stress hormone.