Is breeding bulldogs cruel? Animal groups debate how to make them healthier

Wrinkled, jowly faces. Squat legs. Prominent underbite.

Bulldogs and French bulldogs are among the most popular breeds in the U.S. But according to a growing body of evidence, that distinctive bulldog look also leads to serious health problems for many dogs.

In late January, a court in Norway banned the breeding of bulldogs, after an animal welfare group argued that chronic inbreeding and an exaggerated body shape was causing suffering for many dogs. Their flattened face and shortened airway can cause respiratory issues, sometimes requiring surgery. The dogs are also prone to skin and spinal problems.

The court ruled that breeding the dogs should stop, unless it's to improve the health of the breeds or to bring in new genetic material. The ruling is being appealed currently, but it's sent shock waves across the world, including the U.S.

Some veterinary and animal rights groups argue that bulldog breeders should be required to use genetic and health testing, so dogs with serious problems aren't bred. They say