Should you wash your mane with horse shampoo or slather goat’s milk cream on your face?

Animal-based treatments have a long-established role in medicine — maggots can help heal chronic wounds, for example, and leeches play a role in improving blood flow during some operations.  Now there are a number of animal-derived products available over the counter that claim to have other benefits. ALICE JAFFE asked Dr Adam Friedmann, a consultant … Read more