History of aspirin Peto convinced the U.S. FDA and much of the medical community that the aspirin studies, in aggregate, showed aspirin's effectiveness with relative certainty. By the end of the 1980s, aspirin was widely used as a preventive drug for heart attacks and had regained its former position as the top-selling analgesic in the U.S. History of aspirin The history of aspirin (IUPAC name acetylsalicylic acid ) begins with its synthesis and manufacture in 1899. Before that, salicylic acid had been used medicinally since antiquity. Medicines made from willow and other salicylate-rich plants appear in clay tablets from ancient Sumer as well
Bark beater Bark beater In many traditional cultures, bark beaters were tools used to pound tree bark, to make the bark softer for the processing of barkcloth, which is used for making paper, and clothing. This tool has many different variations that are seen in indigenous cultures worldwide, yet all for a similar purpose. “In Mesoamerica, the earliest proven bark beaters are from the Maya area and its periphery, particularly the Pacific coastal plain of Guatemala and El Salvador, where they appear some 2,500 years ago.” Both forms of bark beaters (club-shaped, and racquet type) were also found in the islands of