http://www.ucsf.edu/news/2012/01/11282/marijuana-shown-be-less-damaging-lungs-tobacco
UCSF’s Dr. Mark J. Pletcher talks about the finding in his study that suggests low to moderate use of marijuana is less harmful to users’ lungs than exposure to tobacco, even though the two substances contain many of the same components.
UCSF’s Dr. Mark J. Pletcher talks about the finding in his study that suggests low to moderate use of marijuana is less harmful to users’ lungs than exposure to tobacco, even though the two substances contain many of the same components.
