12 Reasons Why Dogs Are Man's Best Friend

They fearlessly jump out of airplanes to perform rescues or infiltrate war zones. Dogs herd our livestock. Service dogs can sense changes in blood sugar levels or warn their masters about an impending seizure, guide the blind or, just by their presence, help to heal the war-scarred veteran. Between instincts and specialized training, working dogs of all kinds truly are amazing and make wonderful best friends.