# Gustav III of Sweden's coffee experiment

> alleged twin study

**Wikidata**: [Q1281398](https://www.wikidata.org/wiki/Q1281398)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Gustav_III_of_Sweden's_coffee_experiment)  
**Source**: https://4ort.xyz/entity/gustav-iii-of-sweden-s-coffee-experiment