Many dogs with flat faces (known as being “brachycephalic”) fall into the “bulldog” family. These are stocky dogs bred for bullbaiting, a now-outlawed spectacle where a dog would fight a bull.

Because of their flat faces and short airways, many breathing-impaired breeds (BIBs), such as such as pugs, bulldogs, and Cavalier King Charles spaniels, struggle to do the very things that render a ...