The respond that I'll give to her is something that will lighten up her mood and in a way that will make her believe that there is something more than just her belief of giving up. I'll also explain to her that the thing that she has heard of isn't the only information that is known of for MS has different clinical courses and the information that she has is lacking for there are more to it.
Continued use/ or addiction
They have been using it for a while and might start to get addicted if not already
The answer would be : can be caused by environmental toxins.
Hope this helps!
