Rheumatoid arthritis (RA) is an autoimmune disease with symptoms that vary from person to person and may include joint pain, swelling and stiffness.
Health Problems & Life Expectancy. The typical West Highland Terrier lives about 12-16 years. Of course, individual dogs can have a life span outside that range based on care and pure luck. Like all dog breeds, Westies are prone to certain diseases, disorders, and behavioral problems.
Staffordshire bull terriers have a life expectancy of between 10 and 16 years, similar to that of many middle-sized dogs. Also referred to as Staffies, these dogs measure from 13 to 16 inches high and weigh between 23 and 38 pounds, with males typically bigger than females.