Gustav III of Sweden's coffee experiment
Experiment conducted by King Gustav III of Sweden to study the effects of coffee
Gustav III of Sweden's coffee experiment was a scientific study conducted in the 18th century by King Gustav III of Sweden to investigate the health effects of coffee consumption. This experiment is often cited as one of the earliest examples of a controlled trial in medical history.
Background[edit | edit source]
During the 18th century, coffee was a controversial beverage in Sweden. Many believed it to be harmful, and it was associated with various health risks. King Gustav III, who reigned from 1771 to 1792, was interested in the potential health effects of coffee and sought to prove that it was harmful.
The Experiment[edit | edit source]
The experiment involved two identical twin brothers who had been sentenced to death for crimes. Gustav III commuted their sentences to life imprisonment on the condition that one twin would drink three pots of coffee every day for the rest of his life, while the other twin would drink an equal amount of tea. The experiment was designed to observe the long-term effects of coffee consumption compared to tea.
Methodology[edit | edit source]
The twins were monitored by a team of physicians, and the experiment was intended to continue until one of the twins died, thereby providing evidence of the relative safety or danger of coffee. The physicians were tasked with regularly examining the twins and reporting on their health.
Outcome[edit | edit source]
The results of the experiment were inconclusive. The twin who drank tea died first, at the age of 83, while the coffee-drinking twin outlived him. However, both King Gustav III and the overseeing physicians died before the experiment concluded, leaving the results largely unrecorded and the experiment unfinished.
Significance[edit | edit source]
Gustav III's coffee experiment is significant as an early example of a controlled trial, despite its methodological flaws and lack of scientific rigor by modern standards. It reflects the historical context of medical experimentation and the evolving understanding of nutrition and health.
Legacy[edit | edit source]
The experiment is often referenced in discussions about the history of coffee and its cultural impact in Sweden. It highlights the historical skepticism towards coffee and the lengths to which authorities went to understand its effects.
Related pages[edit | edit source]
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