We have too much people using by smoke. it s not good for your health. okay, you want to sit down? i think it s going to be more easy for you. reporter: keep in mind as you watch this, we re in a clinic in a hospital. this is a treatment that they re administering. okay. so nama, this is the vaporizer. we start now. it s a little bit different. it is different. reporter: a difference nama says she felt almost immediately. wonderful. great. i m not coughing. reporter: you re not coughing. i wonder how would it be later. but right now it s wonderful. it s nice. nice. reporter: again, what really struck me about all of this as i sat there, was that this was all happening in a hospital. it s not a secret anymore. ....