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How many years can a person live with just 10 minutes of brisk walking every day? Recently, a study on middle-aged and elderly people published in JAMA internal medicine (Journal of internal medicine of American Medical Association) found that with the increase of physical activity, the mortality rate also decreased. Just 10, 20 or 30 minutes of extra exercise per day reduced the annual mortality rate by 7%, 13% and 17%, respectively. Previous studies have shown that by increasing physical activity, a large number of deaths can be prevented every…

Elevated cross maze (EPM) is a non conditioned reflex model, which is based on the spontaneous fear response of animals. It can not only establish an anxiety stress model, but also is an internationally recognized classic method to measure anxiety response. Handley et al. Developed on the basis of Montgomery’s research, it has been widely used to study the anxiety behavior of rodents such as rats and mice. In this study, two statistical parameters, intraclass correlation coefficient (ICC) and consistency coefficient (kappa), were used to test the test-retest reliability of…