Altough the Yorkie is the smallest breed within the Terrier Group it is nevertheless a true Terrier and is therefore quite hardy and trouble-free little dog. However Yorkies can be afflicted with certain general doggie ailments and a few, that are breed specific. On the page below you can find more information about possible Yorkie's health issues. But in general most Yorkies are sturdy and healthy little dogs that can live up to 15 years of age or even more.

http://www.yorkieviews.com/healthfacts.htm