https://www.nami.org/Advocacy/Policy-Priorities/Responding-to-Crises/National-Hotline-for-Mental-Health-Crises-and-Suicide-Prevention/We talk a bit about mental disability, and how this is really a difficult subject for laymen to discuss. As always the best is to consult medical professionals.
(PTSD) - Symptoms and causes
Anxiety Disorders
Psychology vs. Psychiatry
and just in case;
or dial 988