Http://www.climatecentral.org/library/faqs/plants_need_co2_to_live_so_isnt_more_of_it_a_good_thing
This is an example of ODD or Oppositional Defiance Disorder.
This is a diagnosis where a child just blatantly disobeys and has issues with being told what to do by anyone; especially authority figures.
Your answer would be Obesity
Nope , in my anaylis of a guess your body probably would have to adjust to the hormones but i think it's just it'll be all okay. (Excluding the side effects and probably death.)