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.
Physical Effects. 1  Breathing problems. Marijuana smoke irritates the lungs, and people who smoke marijuana frequently can have the same breathing problems as those who smoke tobacco. 2  Increased heart rate. Marijuana raises heart rate for up to 3 hours after smoking. 3  Problems with child development during and after pregnancy.