question: hi i am 38 year old female  a single mother,i  start feeling lightheadness  and dizziness six moths back, my neck and upper part of head , i feel sansation there.. and after that my blood pressure goes down like anything, then  short of breath, i smoke  too. and my work need lots of mind and physical activity. whenever i try to sleep, the mitute i close my eyes my heart start pounding.. it is  now contineu from 15th may 2011, even today.. i am taking  homeopathy medicines, but i am not sure  what is the problem with me. i have done my cardiac checkup too everything is normal, doc thinks it can be ulcer.. i am very worried about my  sickness, it was not regular earlier but now it is not going.. i dont know what to do pls help..