Why did some Europeans once believe tobacco could treat illnesses?

Upon its introduction to Europe in the 16th century, many Europeans regarded tobacco as a panacea—a universal curative that could be integrated into Western medical traditions. This belief was driven by several factors:1

• Early Medical Successes: The French diplomat Jean Nicot became a key proponent after testing a tobacco ointment on a man with a tumour. Following the man's recovery, Nicot became convinced the plant could treat a wide range of ailments, including cancer, gout, and headaches.2
• Expert Claims: Prominent figures, such as the Spanish doctor Nicolas Monardes, promoted tobacco as a relaxant and painkiller that could also alleviate hunger.1
• Cultural Influence: The plant's adoption by nobility and royalty, such as Catherine de Médicis, helped solidify its reputation as a preventative remedy for various illnesses.21

While these beliefs were widespread, they were not universal; some leaders, including King James I, vehemently opposed the practice, labeling it harmful and dangerous.1