When it came to the matter of the dangers of the use of both substances, a good number of those involved in the survey displayed a good grasp of the dangers both substances pose to human health. The problems associated with the excess use of alcohol include harm to important body organs such as the liver, heart, pancreas, and the dangers of cancer. The dangers of marijuana use in terms of anxiety, memory loss, and impact on cognitive ability are also well known. Nonetheless, more people who did not use either alcohol or cannabis were of the opinion that alcohol use is more dangerous when compared to cannabis.