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.
15 thoughts on âHippo Keeperâs Blog: Hippos Bibi & Henry Get Nose to Nose Behind the Scenesâ. 1  OH MY! 2  I have always loved hippos. 3  Hippos are my favorite animal, I absolutely cannot wait to see Bibi & Henry in person.  I can not wait to meet these two amazing and adorable creatures!