Before modern medicine, in which treatment's with certain ethical therapies and medication, most patients with mental illness where placed in institutions no matter how severe, and were forced to go through unethical therapies such as electroshock or lobotomies.
Answer:
I'd say 4 and 5. I'm guessing.
Explanation:
Nail biting happens Because people have anxiety. The nail biting relieves stress, tension, and or boredom.
Hope this helps
~QueenSupreme aka Black-Rose♥