Although a rare condition called megaesophagus makes Duncan's esophagus too weak to swallow food normally, the Best Friends Animal Society built this adopted pup a special highchair to help gravity take charge during meals.
    
        
    Although a rare condition called megaesophagus makes Duncan's esophagus too weak to swallow food normally, the Best Friends Animal Society built this adopted pup a special highchair to help gravity take charge during meals.
Sign up for our Morning E-mail Newsletter to receive the latest headlines in your inbox.