We’ve all heard that pet owners live longer lives than the general population. According to the infographic below we may finally be understanding why. Cat purrs vibrate within a range 20-140 Hz, which is known to be medically therapeutic for many illnesses. For instance, purring has been linked to helping shortness of breath, stress, lowering blood pressure, and even strengthening bones. Time to head to your local animal shelter for a new furry friend!