Hello Doctor,I was browsing the internet and came across your website.I have a problem that has been disturbing for more than 6 years today.I stopped smoking about 6 and a half years ago.before then i used to smake marijuana.it was not easy stoping but i did quit.though i usually get fast heart beats that disturbs me now.about 3months ago it became serious.i had fast heart beats and was diagnosed for hypoglyceamia.i was given glucose as well as calciumax and other medcines that did remedy the situation.the problem i have now is that i do feel my body shaking inside.i did consult and was given some drugs that reduced it but i still feel it and it disturbs me a lot.it disturbs my eyesight as well.though i do get the heart beast sometimes but is mostly when i do something strainouse.i do burch as well.I plan on visiting a physician in the next couple of days but i do need your advice.i do have headaches as well.regards.George