These miniature dogs are known for their relatively low energy without requiring high levels of exercise. (teacupdogdaily.com)
It can be caused by low levels of exercise, very dry cat food or a dirty litter box. (cat-health-guide.org)
So, if you want to experience a noticeable difference in slowing down the biological clock, it seems that even moderate level of exercising isn't enough. (fitnessandpower.com)