12. Leech Therapy for Everything
In the Victorian era, physicians prescribed leeches for a wide range of ailments, from headaches to skin conditions. Leeches were believed to balance the body’s humors, a concept central to medical practices of the time. This widespread use led to a significant demand for leeches, resulting in their farming and even the construction of specialized leech houses to meet the need. The Science Museum delves into the medical fascination with leeches (nationalgeographic.com).



