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Marijuana - Pharmacology and Therapeutics, Part 2

Dr. Phillip Leveque

Salem News

Tuesday 25 Mar 2008

Marijuana/cannabis pharmacology is probably the most complex of any
therapeutic agent. The pharmacology appears to be put together by a Rube
Goldberg- like madman.

There are several unique factors of this medicine. First of all, it is
effective for an incredible list of apparently disparate medical
conditions (probably 100 or more).

Secondly, the most prominent active ingredient, THC, is one of the most
potent drugs with two milligrams being the effective dose. For morphine,
it is six milligrams.

The THC medical effects are modulated by CBD, a relative structure which
is present in natural THC at about 1% of the THC.

Fourth, euphoria, feeling high, which is considered to be a bad side
effect of pure THC, (the composition of Marinol) is caused by a
metabolized form, Hydroxy THC which effect is modulated/reduced by CBD
and possibly related structures.

Because the medical effects of cannabis/marijuana/THC effect two
different areas of the body, this article will concentrate on the brain
or central nervous system:

The medical conditions seemingly medicated by the brain are as follows:

(1) Alzheimer's rage. The precise cause of this doesn't seem to be
known, but if euphoria or "good feeling" is beneficial and blood vessel
dilation are effects of THC, these could be the actions.

(2) Relief of severe pain is probably the most common reason for
marijuana/cannabis use. THC and many other cannabinoids acting on CB
receptors in the brain reduce pain similar to morphine.

(3) Seizures like epilepsy, but also others, are well controlled by the
natural cannabinoids. I don't believe Marinol has been recommended for this.

(4) Neuromuscular spasm conditions such as Multiple Sclerosis,
Tourettes, Restless Leg Syndrome, etc., are effectively treated with
marijuana/cannabis.

(5) Some physicians are treating schizophrenia, depression, ADD/ADHD
etc. successfully.

(6) Most recently, PTSD has been found to respond very favorably to
marijuana/cannabis treatment.

(7) Withdrawal symptoms of morphine/heroin, nicotine, alcohol, etc. have
historically been treated with cannabis/marijuana. This may seem strange
to many who think marijuana addictive. If it is, it is far less
addictive than these others.

If some aspect of "Reefer Madness" seems to appear in these writings, I
must confess I don't use it, but the pharmacology of cannabis is so
complex that I feel a bit foolish by trying to simplify it.

Cannabis research has produced literally thousands of medical article
which seem to be so complex that government pseudo-scientists can't read
or understand them.

I am doing my best!!!

http://www.salem-news.com/

 

 

 

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