my dog gets left overs when mom is here, but when she's not, he only gets dog food, maybe mixed with yogurt or something. He's almost 13 and it hasn't affected his health very muchm except he's a few pounds over weight. he's old so, I will let him get by with endulging. =) My new dog just get's dog food, occasional treats, and some human treats like peanut butter and crackers or something.
She's just a year old but I don't want to risk anything with her, even though my dogs fine.
I may throw a piece of food to my dogs, but won't give them huge chunks. For instance, picking off the corners of my bread, letting them lick my empty yogurt, pudding, applesauce cup...even an occasional piece of fat from some steak I'm cutting up, but nothing in large quantities and not that often.
Someone put up a link that had a lot of food that is poisonious to dogs...even things like grapes..things you would have never even known about (or at least not me), it had some interesting things on there.
You should limit the amount of human food that you feed to your dog, and what types of human food you feed it. The basics are ok. i used to feed my dog the normal stuff - leftovers after dinner. But you are right DO NOT FEED THEM HUMAN CHOCOLATE. They have specially prepared doggy choc for this reason - its not very good for doggies!!
Some of the good things to give them are sweet potatoes witha little of the skin still on, plain cooked pasta, and vegetables especially carrots. My big guy 112# collie knows how to get the fridge open which means he wants some carrots. Honey and anything with fish oil is great too