Probably wouldn't hurt to take an OTC thyroid supplement. Other things that affect hair are vitamin D and iron, if you are not getting enough. What are you doing to release/relieve the stress? Finding some peace/relaxation would be best.
My blog -

Playing with my hair is a hobby. Fluffy, fine natural 4a. Goal= Healthy, beautiful hair that retains its length.
Hear that crash? It's me falling off the CG wagon.