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

The color red appears to make food taste sweeter — this is why ketchup and many candy wrappers are red.

The world's most expensive coffee, Kopi Luwak, is made from beans that have passed through a civet's digestive system.

Nutmeg is a hallucinogen in large doses.

Bread left to rise too long develops an off-taste from over-fermentation — yeast byproducts accumulate.

Walnuts have the highest omega-3 content of any nut — they're also the only nut to contain significant ALA.

The most stolen food in the world is cheese, with about 4% of all cheese produced globally being stolen.

A cucumber is 96% water, making it one of the most water-dense solid foods.

Celery has negative calories — it takes more energy to digest than the calories it contains.