Hi Doctor, I am 38 year old male. i am occupying a very senior position in a multinational company. last few years i am facing a problem of dizziness whenever i face problems/issues, meet a group of people, give presentations etc. On two occasions i have fainted also. such being the case now it is affecting my proffessional life and i am not confident to do things on my own. recent incident was that i went for visa interview, i got the dizziness and i took back my passport since i was not able to stand and went back. this is affecting me lot. i have hypertension for last 8 years and i am on medication for that. Further i do have have the habit of smoking also. Would like to have a guidance from you on this...