The survey of 600 dog owners and 300 veterinary professionals across the U.K., asked the owners if they had noticed any of a list of 48 symptoms in their older dogs.

“When two dogs have the same sterilization status, health problems, breed type, and activity level, the risk of CCD is 52 percent higher in the dog who is one year older than the one who is one ...

As dogs get older, some develop tremors in their hind legs due to muscle weakness. ... Take note of any other symptoms your dog has, such as diarrhea, vomiting, or limping.

As dogs age, their bodies naturally experience wear and tear, just as humans do. One of the most common and challenging ...

When Carie Broecker discovered that many aging senior citizens struggle to care for their dogs, she started Peace of Mind Dog Rescue to help them. Since 2009, the nonprofit has provided volunteer ...

The Dog Aging Project, for its part, has conducted a small-scale clinical trial of 24 companion dogs that looked at the effects of a drug called rapamycin.

Diarrhea in dogs can have various triggers. One conceivable cause, especially in young or older animals, is an infection with Giardia. This is a relatively common, persistent intestinal parasite.

For seniors in their late 70s or 80s, Rappaport says middle-aged dogs are more appropriate than senior dogs. “Super-senior dogs have many of the same health issues as humans,” she says.