hi,i have severe pain in my chest sometimes making it hard for me to breath.I feel e pain on top of both my breasts but mostly e left one and surrounding it,like under my armpit down e left side,what can be the problem and recommendation?i am 17.i have also started forgetting small things but remember hard stuff and some just pop up into my mind,i cant even tell where they are coming from,should i be worried?i also get a tearing pain below my belly which makes me unable to walk but it just last for a second,as well as backpain.i usually pitch forward uncontrollably and fall every-time i bend over,should i worry about this?please help me out,i`m really worried