There are multiple reasons someone may develop anorexia. Sometimes it is because of stress or anxiety. Most commonly, it is the constant need to feel as if they weight too much and need to remain slim.
Virus culturing because it allows you to take the virus and control it so can put it into a vaccine
Currently mine is 73! Most experienced athletes have lower than average resting BPMs. Healthy and skilled athletes have an average of 40 BPM. Hope this helped!