"It's news we all want to hear -- that eating chocolate is good for you. Well not quite, but an ingredient in some chocolates is showing promise in promoting blood flow to the brain.

The ingredient is flavanols, which are nutrients found in cocoa. Flavanols are considered to act as antioxidants and anti-inflammatories on cells. These chemicals can protect cells and tissue from damage, which in turn protects against heart disease and cancer."