Could this be possible from smoking too much weed over the past few days??

I really need to know what is causing this.
cannabis campbell Reviewed by cannabis campbell on . Wtf.. ok this is kind of hard to describe but i would really like lots of peoples different opinions on this one. Normally say a few weeks ago i used to be fine (and i have been smoking weed for a fair few years) like i would be able to smoke an eigth or a quarter or as much as i want and enjoy the strong effects of being stoned etc and all i would want is some munch to eat (as we all do!) but lately whenever i smoke weed, even if its one joint.. i go all weird i feel all lightheaded and my heart Rating: 5