"C"
Chicken pox have nothing to do with breathing.. unless you get it from someone else who's chicken pox are contagious.
Answer: When people become addicted to any form of drug you'll often spot mood swings and mental health issues. Fidgeting is common amongst some.
Carbon Monoxide hinders the body's ability to absorb needed amounts of oxygen.
I believe Stan would because having stress for long periods of time is unhealthy and can cause early stages of Dimentia