Chocolate is seen in an undated stock photo. STOCK PHOTO/Getty Images "You're seeing these prices going up across the board," ABC News chief business correspondent Rebecca Jarvis explained on ...

Dark chocolate is seen in this undated stock photo. STOCK PHOTO/Getty Images Milk chocolate showed no similar benefit, according to the study, which analyzed the health data of more than 190,000 ...

Main image, a stock photo shows a cacao plant. Inset, a mug of hot chocolate. Scientists have found out more about the origins of chocolate in a new study. Main image, a stock photo shows a cacao ...