There are other reasons you might stop functioning. From me and people I know, you might feel bad and just stop functioning (tiredness, lack of energy) from un

There are other reasons you might stop functioning. From me and people I know, you might feel bad and just stop functioning (tiredness, lack of energy) from undiagnosed allergies without throat symptoms, iron deficiency and a simple bacteria infection in a tooth. Also note that you might e.g. increase in weight from being tired and then get sleep apnea, so there might be a reason behind some problems. Please don't waste as much time as I personally did. (Yes, more than one year.) Disclaimer: I am no medical expert and don't know about relative risks.