hen driving, but together with marijuana, the effects are much greater than either drug alone. As in a comparison between both of them, alcohol has many more damages to the human body and mental psyche thanmarijuana. Both drugs can become dependent upon, and the effects can be life destroying. Alcohol, as a physical harm places stress upon the body that could make it react by not eating. Alcohol depletes the body of certain vitamins and minerals, causing an unsteady diet. It also wreaks havoc on the bowel movements! As far as marijuana goes, there may be a little redness in the eyes and gaining in weight. The gaining in weight is due to the conception of the "munchies" as many marijuana smokers experience after usage of the drug. Reasons for both of their uses are different, but that really doesn't matter in the scheme of this paper. As one book supplied a very nice bit of information concerning the usage of these drugs together. Marijuana and ethanol (alcohol) not only modify mental and psychomotor performance but also influence physiological parameters. Alcohol on the subject of driving is more critical also. Although the effects of driving under the influence of marijuana may seem harmful, as listed in my annotations, the fact still stands clear that more accidents are caused by drunk drivers than any other drug or combinations of them. Most of the information I found on the effects of driving under the influence of marijuana were very negative, but they just didn't seem to make sense since so few accidents are caused by driving under the influence of this drug. One book said, more or less, that there is good evidence that marijuana interferes with driving skills and is a significant factor in erratic driving. That seems like a valid statement. But, another source stated, astonishingly enough after an experimentation , that the experienced marijuana smokers showed "no" impairment of performance in their driving ability. The opposite ...