Two things of especial pertinence to dogs so far...
  

Burying the Bones... And Other Aspects of a Raw Canine Diet - While one of the major focal points of this article is the health-giving benefits of buried-and-dug-up marrow bones - definitely a "dog thing"...  The other focus is the importance of a raw food diet - which is advice for felines as well as canines. See what you think...
 

Cushing's Disease - This section includes an article titled Treating Cushing's Disease with Homeopathy and Other Alternative Therapies, and other information on Cushing's Disease as it affects both dogs and horses.
 

And...

Kidney Failure - Though more common in cats, renal failure is also something to watch out for in your dog...