i have been smoking weed for about 2 years now recreationally and until a few months ago every time i got high it was normal, but ever since i overdosed on ritalin, whenever i smoke weed i feel as if i get a really heavy heart beat and very, very, very weird sensations going on in my chest, to describe some, i feel very tight in the left side of my upper left chest i literally feel as if i need to rub it constantly and i can get that same feeling in the right side too just not as intense, i get the feeling of sweat dripping down my body but i actually feel it beneath my skin usually in my chest but not all the time(very weird feeling), weird popping/twitching sensations usually in my chest, to make matters worse i also feel trembling throughout my whole body (begins in my core), i use to think it was just my fingers but now i realise that's the only way the tremble can show itself, i have been told a lot of my symptoms are anxiety related which is weird becuase i never got anxiety until after ODing on ritalin, i can also occasionaly feel these symptoms when i am sober but they are not to the extent in which i feel them when i am high, i also have ashma if thats any help, i have been to the doctor/hospital a few times from anxiety/pulpitations to the heart, but everytime i've been they say my heart is fine but does have a murmor, have never had an MRI. has anyone felt any of these symptoms before if so how have you dealt with it, or does anyone know whats going on with me? would love to be able to just enjoy getting high again without any of these almost frightening symptoms. thanks in advance - christian