Pit bulls are expected to live from 12-16 years. They are prone to getting hip dysplasia, allergies, hypothyroidism, and heart disease. Can suffer from separation anxiety. Boxers expected to live 10-12 years. prone to getting cancer, aortic stenosis/sub-aortic stenosis, boxer cardiomyopathy, hip dysplasia, hypothyroidism, corneal dystrophy, demodectic mange, gastric dilatation-volvulus, allergies, and deafness.