3 facts
The ammonia in urine was an effective cleaning agent and whitener for teeth. It was a common practice, and there was even a tax on urine collection in some periods, highlighting its perceived value and widespread use in ancient hygiene.
Originally, ketchup was marketed as a remedy for indigestion and other ailments by a physician named Dr. John Cook Bennett. The "tomato pills" were popular, though their effectiveness was questionable, highlighting early food marketing trends.
Dr. John Cooke Bennett claimed tomatoes could cure indigestion, and a recipe for 'tomato ketchup' with medicinal properties was published. Pills made from tomato ketchup were even sold, highlighting early misconceptions about food science and health remedies.