Effects Hevay marijuana use can cause:depression, anxiety and personality distubances.there is also memory loss and learning disabilites. EFFECTS on the brain: sort term memory loss,distorted perception,difficulty in problem solving,loss of coordination. EFFECT on the heart: studies indicate that a user’s risk of heart attack more that quadrules in the frist hour after smoking marijuana.researshers suggest that such effects might come from the effect the drug has on blood pressure and heart rate the reduced oxygen-carrying capacity of blood. EFFECTS ON THE LUNGS: respiratory ailments.daily marijuanasmokers may have the same symptoms as cigarette smokers: heavy cough phlegm produtions, chest illness and :UNG CANCER. HisTORY/origin of marijuana theres is no specific time or origin to the use of marjuana. it was used originally for medical ourposes such as migraines, nausea and other minor ailments. at one point peole realized a high from the medication and used it from medical use. that is how marijuana began its life of a street drug. HOW marijuanais used SMOKED- rolled like a cigazette SMOKED - from a blunt SMOKED from a bong BAked in Brownnies Made in to tea Made in to gum STREET NAMES marijuana,weed,pot,reefer,grass,dope,ganja,mary jane,sinsemilla,hash,herb,auntmary,skunk,boom,kif,gangster,chronic,blunt,krippy,stank,dead grass,bobby brown SYMPTOMS: SYMPTOMS of the marijuana high are as follows: disorientation,slurring of words, im balance, and person not making sense systoms of dependence: daliy use,loss of job or education for the drug.loss of relatioships (friends or family) for the drug.lack of hygiene for the drug. overall change of life for the drug MEDICAL USE although there is dagreement among professionals about its medical used a growing number support its use for relif for cancer victims,migraines,glaucoma.,and other illnesses.marijuanawas once frequently prescribed by doctors in te us in the 19th century for treatment of migraine, rheumatism,and insomnai untill its was outlawed by the marijuana stamp act in 1937.