lol I think a lot of these questions can be attributed to government sponsored fear mongering..."hmm I feel a little burnt out after staying up all night smoking....OMGZ teh mary-juan-a dun did sumthin 2 meeee1!1one!!!"

lol its burn out...the weed equivalent of a hangover only with out the severe headache, nausea, brain cell death and pretty much anything that will seriously affect you going about your life