Why do I hyperventilate every time I read things related to illness or organ?

So I don't get it what is wrong with me I can't read or hear or worse see anything related to illnesses or internal organs or whatever I can't even read info about giving birth and c-section (which I 'm interested in doing) I don't get it I used to read all the time health related articles I even considered the possibility to apply in university but I liked more smth else (thank God ) and biology always was one of my favorite subjects at school Is not like I had a trauma seen a corpse or someone die I really don't know