[mmyorkies]

I have a lot of information on the health issues of yorkies on my site. If you go to this page you can read a summary of them, and there are links on the left of the page that will take you to pages with more information on them.
http://yorkieviews.com/healthfacts.htm
All yorkies should wear harnesses rather than collars when being walked. There are many web sites that cater to the small dogs, and even vest type harnesses. Here area couple. http://dinkydawg.topcities.com/Harness/index.html
http://www.pawshop.com/3dogwahacarr.html
http://www.cosettescloset.com/product.html