Chocolate's reputation as an aphrodisiac dates all the way back to the Aztec civilisation – and it's one of the reasons why every Valentine’s Day, nearly £330 million ($400m) worth of chocolate is sold around the world. Studies on its actual impact on libido are limited, though chocolate does pack a cocktail of feel-good hormones: oxytocin (known as the 'cuddle hormone'), theobromine (a mood-boosting, caffeine-like stimulant), and phenethylamine, which is known to cause an adrenaline rush.
Indulgent chocolate recipes, from cakes to cookies