You are spending lots of time Googling for death, yet you wonder why you are anxious every time you find something that scares you?
Going to different forums trying to find a solution to your somewhat self-imposed anxiety won't work. You have to put the effort into the solution but your post above indicates you are unwilling.
https://
www.medhelp.org/posts/Anxiety/Health-Anxiety/show/3062493 "Stop Googling immediately. If you can't do that, professional therapy is in order."