JumperCable writes: Scientists at Mexico's National Institute of Psychiatry say they have successfully tested the vaccine on mice and are preparing to test it on humans. The vaccine, makes the body resistant to the effects of heroin, so users would no longer get a rush of pleasure. Mice given the vaccine showed a huge drop in heroin consumption.
"A complex system that works is invariably found to have evolved from a simple
system that worked."
-- John Gall, _Systemantics_