For example, it has been proven that people can lower stress levels by keeping their personal space tidy. (qaeducation.co.uk)
While it has long been assumed by medical professionals that yoga can help reduce stress levels in mothers, it had never been tested in a research setting. (sciencedaily.com)
Since this has not been assessed, it's possible that the results from the first 3 studies showing the rise of stress levels in dogs are not directly associated with shock collars. (topdogtips.com)