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Published on May 9, 2008
THC effects on Tumor Brain Cells, Normal Brain Cells -------- THESE VIDEO SEGMENTS TAKE PLACE IN 20 HOURS OF TREATMENT, THIS SHOULD NOT BE CONFUSED WITH SECONDS OR MINUTES FROM THE TIME STAMP. REPEAT, 20 HOURS OF TREATMENT.
Tetrahydrocannabinol, also known as THC, Δ9-THC, Δ9-tetrahydrocannabinol (delta-9-tetrahydrocannabinol), Δ1-tetrahydrocannabinol (using an older numbering scheme), or dronabinol, is the main psychoactive substance found in the Cannabis plant. It was isolated by Raphael Mechoulam, Yechiel Gaoni, and Habib Edery from the Weizmann Institute in Rehovot, Israel in 1964. In pure form, it is a glassy solid when cold, and becomes viscous and sticky if warmed. An aromatic terpenoid, THC has a very low solubility in water, but good solubility in most organic solvents such as butane or hexane. As is the case with nicotine and caffeine, the role of THC in Cannabis, it seems, is to protect the plant from herbivores. THC also possesses high UV-B (280-315 nm) absorption properties, protecting the plant from harmful radiation.