Photos of dog face expressions (IMAGE) Eötvös Loránd University Caption Flat-faced dogs, such as French and English Bulldogs, are extremely popular despite suffering from severe innate diseases Credit Photo: Zsofia Bognar / ELTE Usage Restrictions Credit must be given License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.