What is 'Water Memory'? If you purchase by way of links on our site, we might earn an affiliate fee. Here’s how it really works. The U.S. Food and Drug Administration announced Dec. 18 that it plans to crack down on harmful or dishonestly marketed homeopathic products - a class of products that sellers claim deal with diseases by delivering extraordinarily diluted traces of the substances that trigger these diseases in the first place. If certain homeopathic remedies turn out to be harder to entry as a result of crackdown, what is going to homeopathy customers miss out on? Homeopathy dates to the 1700s, in keeping with a press release from the FDA, and relies on the idea of "like cures like" - that symptom-causing chemicals can, at low sufficient doses when mixed with water, deal with the symptoms that these substances trigger. In different words, a chemical that causes vomiting would be given at a really diluted concentration to treat vomiting. And the extra diluted the substance, the more potent the helpful effects, the pondering goes.