Dogs get arthritis for different reasons than humans, and the pain threatens the nature of our relationship with our pets.

In many ways, dogs are like human ... The clip captioned: "Buddy may be quirky for his old age but he is lovely, funny and gentle," has 36,200 views, at the time of writing.

Just like humans, dogs can develop vision problems as they age ... Lenticular sclerosis is a change in the eye that comes ...