This piece of data suggests that marijuana may have some protective effect, rather than causing lung cancer or emphysema.http://medicalmarijuana.procon.org/view.resource.php?resourceID=000091
This piece of data suggests that marijuana may have some protective effect, rather than causing lung cancer or emphysema.
ReplyDeletehttp://medicalmarijuana.procon.org/view.resource.php?resourceID=000091