Hi Lainey   I wouldn't call it an irrational fear but I think I know what you are talking about. Having watched "That Sugar Film" and one too many documentaries on Netflix in a frame of mind where initially I believed somehow I must have caused my cancer through what I ate or how I lived, I kind of understand where you are coming from. It was frightening information.   I no longer blame myself now, though I am a little more cautious in my food choices as I feel the food industry has a lot to answer for in terms of the chemicals they use. I still eat sugar, though nowhere near as much and turn my phone off when sleeping.   Try to simply utilise your knowledge to make educated choices and focus your energy on what matters -  getting better.     Best of luck.   ... View more