The discovery was an accident. Copenhagen's Dr. Erik Jacobsen, 45, likes to try out new drugs on himself before giving them to his patients. One night before going to a dinner party he swallowed a couple of pills made of tetraethyl-thiuram-disulfide; they were supposed to be good for intestinal worms. To his surprise, Dr. Jacobsen found that any form of alcohol revolted him. When he sipped even a small glass of beer, his face got red, his heart started to pound and he had trouble getting his breath.
The drug looked like a good bet for alcoholics. Other anti-worm medicines (e.g., the...