Mine has been mainly related to the fear of my heart stopping somehow, and ive had all sorts of random symptoms from breathing to tingles to all sorts of other symptoms all over the body
Ibs....anxiety
Autism...anxiety
Schizoid personality disorder....anxiety
avoidant personality disorder...anxiety
High blood pressure....I infact have low
anaemia.... it's just low blood pressure
I get real bad hay fever and am always looking up for it to be something worse