Homeopathy, a pseudoscientific system of alternative medicine based on principles including ‘like cures like’, came to be at a time when opium, blood-letting and alcohol were all common treatments for illnesses. Study after study, it has been proven not to work, and testing of homeopathic products appears to often fail to follow established ethics. But many European countries allow selling sugar pills with ‘memory’ water alongside clinically tested drugs.
The idea of memory water also appeals to anti-vaccine entrepreneurs. And, as we discuss in this episode, homeopathic and anti-vaccine communities significantly overlap.