Confide yourself once you find who you are and what you represent in life people will notice you are making big changes and you have power!
If you plan on going for a run during a high pollution advisory your body will require more o2 to be able to produce more energy to keep doing that activity and of all your breathing in is chemicals and co2 if will effect your lungs and heart with poison
(hope this helps)<span />
i'd say ptsd or anxiety- i feel like the answer would be ptsd