I used to do electronics design for and also some assembly work on HPLC equipment for Chromatronix in Berkeley, CA. About '67.
A video about HPLC, which when I worked in the field was High Pressure Liquid Chromatography.
Another CBD video. delta9-THC - appetite enhancer. Lists a number of uses for the compound and side effects. Dr Raphael Mechoulam is the Israeli doctor who discovered delta9-THC.
Changes in endocannabinoid levels and/or CB2 receptor expressions have been reported in almost all diseases affecting humans, ranging from cardiovascular, gastrointestinal, liver, kidney, neurodegenerative, psychiatric, bone, skin, autoimmune, lung disorders to pain and cancer. The prevalence of this trend suggests that modulating CB2 receptor activity by either selective CB2 receptor agonists or inverse agonists/antagonists depending on the disease and its progression holds unique therapeutic potential for these pathologies Medical Marijuana prohibition is a crime against humanity and a violation of the religious precept - heal the sick.
Pass it on.
Update: A different CBD - cannabidiol.
Also see this post CBD - Chalotte's Web.
Update: 20 Feb 2013 1741z
The electronic side of HPLC analysis.