Decision Making Bias: Common Belief Fallacy

The exact origin of fortune cookies is unclear, though various immigrant groups in California claim to have popularized them in the early 20th century. They most likely originated from cookies made by Japanese immigrants to the United States in the late 19th or early 20th century.

Sugar does not cause hyperactivity in children. Double-blind trials have shown no difference in behavior between children given sugar-full or sugar-free diets, even in studies specifically looking at children with attention deficit hyperactivity disorder or those considered sensitive to sugar. A 2019 meta-analysis found no positive effect of sugar consumption on mood but did find an association with lower alertness and increased fatigue within an hour of consumption, known as a sugar crash.

Viking warriors are associated with horned helmets in popular culture, but there is no evidence that Viking helmets had horns. The depiction of these horned helmets as historical is a fallacy that began in the 1870s. It was part of the construction of great Norse myths to be adopted by Germans, who wanted their own ancestral myths.

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