animals

Hi guys, Ok, TMS, arthritis doesn't hurt, etc. Animals get arthritis. They get checked and the vet says "look, cartilage degeneration here." Then, they put the animals on some supplement and the animal feels better. Supposedly animals do not get a placebo response. Can someone explain this...

I know animals don't have the complex concious/subconcious we humans have but I have to ask... Can't a pet get TMS? Cats are notorious for being very neurotic little creatures. I foster homeless cats who come to me from tough situations and most of them have chronic skin itching or vomiting or...