Marti, I would ask @Truthquester
He has many posts where he shares his experience with CDH.
He's not and everyday type so I could take a few days to respond to your questions.
Or use the Search function. Enter Truthquester and set the date to any date and the link below returns 230 replies.
mmsforum.io/goto/search?query=Truthquester&searchdate=all&searchatdate=11/29/2021&childforums=1