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Scientists found a cannabis compound that relieves pain without the high
(www.sciencedaily.com)
This is a most excellent place for technology news and articles.
I have to point out that in medicine we use the derivatives from cocaine, novacaine, lidocaine, benzocaine etc as potent short/medium term anaesthetics. Drugs like these make dental extractions for example relatively painless today. Pure cocaine was used previously but was far more toxic to the liver and had a much higher incidence of allergic reaction than its modern derivatives.