This page is all about health risks you should know about when looking to buy a Yorkshire terrier. Teacup Yorkies are at risk for easily broken bones and small, fast, indiscernible movement. Yorkies may develop separation anxiety due to their terrier nature. Smaller is not always cuter; they seem to develop more heal problems due to more genetic defects.
All About Teacup Yorkies: Health Risks and Buying Guide