What can age Jack Russells live to who have cussings disease?

Jack Russell Terriers with Cushing's disease can live for several years with proper management and treatment, which may include medication and regular veterinary check-ups. The life expectancy can vary based on the severity of the disease and the dog's overall health. With appropriate care, some Jack Russells may live into their teens despite the condition. However, the disease can lead to complications that may affect their quality of life and longevity.