Chocolate has always been the age old trick to bring a smile on somebody's face. We already are aware how it lifts up the mood, fights depression and gives instant energy. Being a plant product it contains antioxidants. They help fight cancer, premature aging, prevent blood clot and lead to smooth functioning of heart. The darker the chocolate healthier it is to eat. Generally chocolate in many flavors, added milk, added sugar etc decrease cocoa content and increase fat content which adds to your waistline. Thus pure dark chocolate with can be considered as a healthy snack rest all depends on how you control your cravings.