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.
More research is needed to know if secondhand marijuana smoke has similar health risks as secondhand tobacco smoke. A recent study on rats suggests that secondhand marijuana smoke can do as much damage to the heart and blood vessels as secondhand tobacco smoke.15 But researchers haven't performed that study on humans.