Most Dog Breeds Are Highly Inbred -- and Unhealthy
A new study confirms that most dog breeds are now highly inbred, increasing a dog's risk of health problems.
![Most Dog Breeds Are Highly Inbred -- and Unhealthy](https://img.webmd.com/dtmcms/live/webmd/consumer_assets/site_images/article_thumbnails/other/dogs_running_on_grass_other/1800x1200_dogs_running_on_grass_other.jpg?#)
![photo of variety of dogs running on grass](https://img.webmd.com/dtmcms/live/webmd/consumer_assets/site_images/article_thumbnails/other/dogs_running_on_grass_other/1800x1200_dogs_running_on_grass_other.jpg)
A new study confirms that most dog breeds are now highly inbred, increasing a dog's risk of health problems.