Coddled Puppies Make Poor Guide Dogs, Study Suggests

Well-trained guide dogs are important for visually impaired people who rely on them. But many puppies bred to be guide dogs flunk out of training programs. A study published Monday in the Proceedings of the National Academy of Sciences suggests the way a puppy's mother raises it may be the key to the dog's success, or failure. A research team at the University of Pennsylvania found that puppies de