High hopes

2019-03-06 06:14:04

By Philip Cohen in San Francisco THE painkilling effect of cannabis can be reproduced by boosting the effect of the body’s own cannabis-like chemicals, according to American scientists. The finding raises the prospect of painkillers that do the same trick as smoking a joint but without any of the side effects. The active ingredient of marijuana, called tetrahydrocannabinol, has a variety of effects. It reduces pain, lowers body temperature and enhances appetite. It achieves these effects by binding to cells in the brain called cannabinoid receptors. However, the medicinal use of marijuana is highly controversial,