Our first dog was from a pet shop, mind you this was 12 years ago before I knew how bad they were. She's perfectly fine health wise though is scared of most loud noises, but that could just be something to do with herself rather than petshops fault.
My nans dog is froma pet shop. She had been there for a couple of months before nan got her. She couldn't walk for long periods at a time as she did probably didn't exercise and she had health problems at first.
One of our birds is kinda in a bad mental state I suppose. Got her from a market. She is very timid even though it's been over 5 years. Only now is she just starting to trust us a little.
when I was four we got our dog from a private breeder, we got her in england when it was still legal for dogs to have their tails docked... ... i also think her brother was also her dad or something discusting like that. Anyway... she's always been strange, she'll just start squealing for no apparent reason and she gets really anxious. Its really sad because I love her so much but it's like her purpose was to be born a show dog.