19   Although chocolate does contain caffeine, it's not much. You'd need to eat about 14 milk chocolate bars for the caffeine equivalent of a regular cup of coffee.

18   Chocolate also has a reputation of being a powerful aphrodisiac. Throughout history, various orders of nuns were strictly forbidden from eating or drinking it.

17   Most of the world's cocoa today is produced in western Africa, with Cote d'Ivoire (Ivory Coast) alone accounting for about a third of it.

16   About three quarters of the world's cacao trees are grown within a narrow area only eight degrees either side of the equator.

15   The World Cocoa Foundation estimates that the number of people who currently depend on chocolate for their livelihood is about 50 million. Much of this is with the use of child labour and slavery.

14   Chocolate is naturally bitter, not sweet. It was the Spanish who first started sweetening it by adding sugars and honeys.

13   Milk chocolate was first created in 1875 when Swiss chocolatier Daniel Peter added powdered milk to it.

12   The term ‘white chocolate' is a misnomer. It actually isn't chocolate at all, as it contains no cocoa solids, just cocoa butter.

11   The Swiss consume more chocolate per capita than any other nation on earth.

09   In the 1960 Alfred Hitchcock film Psycho, chocolate syrup was used as blood in the infamous 45-second shower scene (which took a week to film).

10   If you want your home made cake or brownies to taste more chocolatey, add about a teaspoon of espresso powder, which will ramp up the chocolate flavour without ramping up the calories.

07   Chocolate is a common trigger for migraines, but, contrary to popular belief, is not responsible for acne.

08   In the 1971 film Willy Wonka and the Chocolate Factory, about a third of the entire Chocolate Room set was edible. Even the river was made from a combination of real chocolate, water and cream, although it spoiled fairly quickly and left a foul smell.