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.
Marijuana may indeed be harmful. There is a link between long-term marijuana use and increased rates of schizophrenia, depression and anxiety. Marijuana also increases a person's heart rate for up to three hours after use, putting users at risk for heart attack during that period.