I wrote this blog post for The Recipes Project: Food, Magic, Art, Science, and Medicine about a 17th-century anti-itching recipe: Scratching “The Itch Infalable”: Johanna St. John’s Anti-Itch Cure
On the downside, you may get psychosomatic itching after reading it, much like in 5th grade when you watched all those educational movies about lice. On the plus side, there is a largely gratuitous picture of an adorable scratching cat.