Hello Karenthek: Welcome to neuroTalk!

I can't really comment knowledgeably with regard to your concerns. However there are a lot of very knowledgeable members here on NT. I trust you will find the time you spend here to be of benefit. While you're here be sure & check out the stickies here at the top of the TBI forum & use the Advanced Search function to find previously posted threads related to your concerns:
https://www.neurotalk.org/search.php
My best wishes to you...