Dogs play a very important role in medical research, as service dogs, and as therapy dogs. They have been shown to sniff out cancer cells from the bladder, lung, prostate, breast, and skin with accuracy as high as 97%. They can detect when glucose levels are too high or low, to recognize when blood pressure is too high, when a heart attack is happening, and when seizures are about to occur. Their love, loyalty, and affection are why we call them "man's best friend," and they improve the wellbeing and happiness in hospitals, nursing homes, mental institutions, schools and even prisons!
