yeah in a medical setting it's usually never good, but afaik it's not the tetany that doctors are worried about about but rather what's causing it.
I did a longer write-up on the physiological effects which you might find interesting: https://docs.google.com/document/d/1RuDv_E9osM1CCFWZMywMru9J...
Is this the same thing you linked upthread? At first glance the URL looks the same.
Yes, sorry for crossposting, just seemed relevant here
No worries!