The first junk food, cotton candy, was invented by a dentist in 1897.

Coca-Cola originally contained cocaine — about 9 milligrams per glass — until the ingredient was removed in 1903.

Fact #10170 · Food

Liquid nitrogen cooking, called molecular gastronomy, was popularized by chefs like Ferran Adrià.

Fact #4839 · Food

Tahini, made from sesame seeds, contains more calcium per tablespoon than a glass of milk.

Fact #4347 · Food

A pomelo is the natural ancestor of the grapefruit — grapefruits are a hybrid of pomelo and orange.

Fact #3789 · Food

Miso paste can be aged for up to three years, developing increasingly complex flavors.

Fact #4344 · Food

Ketchup was sold as medicine in the 1830s.

Fact #10167 · Food

Worcestershire sauce contains fermented anchovies — many people who eat it vegetarianly don't realize this.

Fact #4311 · Food

Spirulina, a blue-green algae, is one of the most nutrient-dense foods by weight — used by NASA as astronaut food.

Fact #7936 · Food