I had struggled with panic disorder in the past, but CBT pretty much fixed it for me. This article triggered my first panic attacks in years and led to a constant sense of dread and anxiety. It was so terrifying to think that a simple mental process could potentially trigger a breakdown (and like you, I had a family to take care of).
Fast-forward a couple of years, and I'm moving towards the view that these breakdowns are simple anxiety disorders that just happen to be triggered by meditation, in the same way that a panic attack triggered my anxiety disorder when I was young. I don't think there's anything particularly special or mystical about it - it's just our stupid brains activating the fear response, and it appears that the same methods for dealing with anxiety disorders work here.
I feel like in a way I was the control group for an experiment - can a fear of meditation provoke the same response as meditation itself?