Book excerpt: This book delves into some of today's most troubling canine illnesses, the factors that really cause them. It examines options for treatment, and provides detailed instructions on how to care for chronically ill dogs. With this book, readers can help their dogs have a better quality of life, and spare future pets a lifetime of chronic disease. This award-winning book is excellent if your pet is dealing with diabetic cataracts, or Sudden(ly) Acquired Retinal Degeneration, the sudden blindness associated with excess cortisol production and Cushing's Disease.