1 Higher absorption of magnesium in the small intestines, in the case of oral and dietary magnesium.  Lower elimination as waste through the gastrointestinal âGIâ tract (the stomach, intestines and colon) â transdermal magnesium avoids this issue.
Analysis by the authors suggests marijuana use by adults was associated with increased risk of developing alcohol and drug use disorders, including nicotine dependence, at three years of follow-up. However, marijuana use was not associated with increased risk for developing mood or anxiety disorders.
Another long-term side effect of marijuana is dependence. One in 10 marijuana users develops a dependence on the drug, according to a 2014 study that reviewed 20 years of research on cannabis use. The researchers reported that one out of six marijuana users started using the drug during their teenage years.