Don't want to deny that your question, is it responsible for all of it, is sill undecided, however this issue is _likely_ due to similar changes in societal factors.
The Mental Health Parity Act passed in '96, and another passed in '08[0]. Together this leads to a significant increase in to those with mental health issues being treated. So while broadening of criteria might not be to blame for what you're discussing, the broadening of mental health care coverage might be.
The Mental Health Parity Act passed in '96, and another passed in '08[0]. Together this leads to a significant increase in to those with mental health issues being treated. So while broadening of criteria might not be to blame for what you're discussing, the broadening of mental health care coverage might be.
[0]: https://en.wikipedia.org/wiki/Mental_Health_Parity_Act#Issue... [1]: https://www.ajmc.com/view/the-mental-health-parity-act-10-ye...