Imagine flipping through a 16th-century medical manual and finding recipes for hair loss that call for lizard heads, human feces, and even hippo teeth! Scientists just analyzed the fingerprints and stains left on these old books and discovered that people actually tried these wild remedies. Turns out, our ancestors were out here experimenting with whatever they could get their hands on to cure baldness and bad breath. Would you have tried these DIY cures? #History #HistoryNerd #WeirdScience