Eating one chocolate daily as part of good overall dietary habits can help people trying to start or maintain a healthy lifestyle.
These chocolates come in 14 or 30 in a box
 
Cocoa beans contain plant chemicals called flavonoids, a kind of antioxidant that some studies have found can protect the heart; walnuts contain omega-3 fatty acids also linked to lower heart disease risk; apricots have healthful beta carotene.
 
They said people who reward themselves with a treat might be more inclined to stay with a smart nutrition. One chocolate a day could fit with a healthy lifestyle.
Of course that raises the biggest dilemma of all: having the willpower to eat just one.