List of causes of Ondine's curse. Following is a list of causes or underlying conditions (see also Misdiagnosis of underlying causes of Ondine's curse) that could possibly cause Ondine's curse includes: Persons who have CCHS get it at birth, or develop it due to severe neurological trauma/damage to the brainstem.
In real life, Della (Barbara Hale) was married and Perry (Raymond Burr) was gay. So, no, they were not an item on the show or behind the scenes.
Katy Perry snuggles up to her cute canine companion Butters as duo hit New York for a shopping trip. He's been her constant companion since she hit the road for her epic Prismatic World Tour last year, and as Katy Perry takes a break from wowing the crowds, her cute pooch Butters is still by her side.