Medical experts answer reader questions about the health benefits and side effects of marijuana. Experts participating:- Michael Barnes, MD, is Clinical Director of the Center for Dependency, Addiction and Rehabilitation (CeDAR) at University of Colorado Hospital.- J. Michael Bostwick, MD, is a psychiatrist at Mayo Clinic and author of a review of marijuana research.- Margaret Haney, PhD, is a Professor of Neurobiology at Columbia University Medical Center, where she conducts human laboratory studies on cannabis dependence as well as controlled investigations of the potential medical use of cannabinoids.
Yes, as mentioned below, marijuana increases heart rate. A vulnerable individual needs to be aware of that potential risk.
by Margaret Haneyvia WebMD4/8/2014 6:35:46 PM
can marijuana use daily have any effect on testosterone level?
by bartvia WebMD4/8/2014 6:37:02 PM
It reduces testosterone. Anecdotal reports are that it increases libido, reduces male sexual function, but the man may not care so much because he is high.
by Dr. J Michael Bostwickvia WebMD4/8/2014 6:37:58 PM
can cannabis induce psychosis or trigger predispose mental health issues?
by SPLvia WebMD4/8/2014 6:39:10 PM
Is marijana really a gateway drug?
by Nickvia WebMD4/8/2014 6:40:47 PM
How does marijuana affect asthma? What about long-term use?
by Ginovia WebMD4/8/2014 6:41:31 PM
A french study of 29,0000 teenagers found that the risk for other illicit drug initiation appeared 21 times higher among cannabis experimenters and 124 times higher among edaily canabis users than among non-users. This seems to support the belief that marijuana is a gateway drug.
by Michael Barnes, Ph.D., LPCvia WebMD4/8/2014 6:42:55 PM
How much longer untill the usa as a whole legalizes isnt it unfair to have some states and not others everyone cant pack up and move I think the AMA needs to push harder no research is getting done or nothing
by jrvia WebMD4/8/2014 6:43:23 PM
Can someone become addicted after just one or two tries?
by Nixvia WebMD4/8/2014 6:44:19 PM
is marijuna better (less harmful) than alcohol?
by kslvia WebMD4/8/2014 6:45:27 PM
Well said Dr Bostwick.
by Michael Murphyvia WebMD4/8/2014 6:47:32 PM
by Dr. J Michael Bostwickvia WebMD4/8/2014 6:47:56 PM
Has any research been done on 2nd-hand MJ smoke?
by sandy77via WebMD4/8/2014 6:48:28 PM
What are the facts about the recently published NIH research stating the benefits of marijuana for persons with HIV infection?
by Dr. Rvia WebMD4/8/2014 6:48:52 PM
We all hear that today's marijuana is so much higher in THC than it used to be. Are there any other changes in the chemistry of today's marijuana plants from those varieties that were popular back in the 60's?
by Michaelvia WebMD4/8/2014 6:49:28 PM
Can I ask about the potential benefits of CBD? I have seen research on this material touting its benefit for cancer and neuropathic issues. Does anyone have any comments about that?
by Arrow1via WebMD4/8/2014 6:52:04 PM
CBD is a subject of great interest for medical benefits in the gastrointestinal and immune systems among many others. It does not have psychogenic effects. It also works in combination with THC to modulate the effects of the latter via an "entourage effect".
by Dr. J Michael Bostwickvia WebMD4/8/2014 6:53:04 PM
I think it is difficult to assume that it is a gateway drug when it is not legal. I think in order to get an accurate study on whether it is a gateway drug it would first have to be legal. I think when you open it up to all then you will get a more accurate evaluation as to what the true addiction and gateway statistics really are.
by kdvia WebMD4/8/2014 6:53:25 PM
Is there any research being conducted to breed more plants to be higher in CBDs like Charlotte's Web for medicinal use?