A lot of dogs have skin problems. They have allergies to carpet and other things in todays environment that is not found for dogs in the wild.
In addition, a dog's improper diet or health problems of some kind can cause a dog to lose that silky, soft coat that they seem to be born with as puppies.
You can do a number of things to help ensure that your dog has a healthy skin and coat well on into their twilight years. If your dog has developed a sensitive skin or a lack luster coat you can also reverse this situation with some changes in their lifestyle.
Check out some of the coat and skin care solutions presented here. You may also want to visit the page on dog beds and hip and joint remedies before you go.