Source four is the best article because it has the some more recent information and it is from a notable source, Mayo Clinic. Another aspect of this source that none of the other ones had, was that it had a section at the bottom where all the information was found, and who it was found from. The second reason I believe this source is better than the rest is due to the fact that the author doesn’t seem to have any type of bias leaning towards pro or against the use of marijuana. The author also doesn’t seem to take anything for granted, she/he explains different uses for marijuana and how it can be interpreted. He/she explains what the use of medical cannabis is used for, and how recreational drug use is also still common today, and why it’s
