Nervous issues 1. Wellbutrin is a medicine that binds nicotine receptors. How might this be effective to a smocker for many years.

Nervous issues

1.  Wellbutrin is a medicine that binds nicotine receptors.  How might this be effective to a smocker for many years.

2.a 15 year old is given a paper bag to breath in  for a few minutes due to being nervous about giving a speech. Why would this be helpful