Endorphins can produce a positive mood effect and in turn reduce stress levels. According to a study conducted by researchers in Switzerland and their study published in the Journal of Proteome Research pronounces that eating 1.4 ounces of chocolate has enough power to lower cortisol and catecholamines levels.
Sugar in chocolate is associated with a release of serotonin, phenylethylamine and fat that can lead to release of endorphins. This combination is capable of producing an effect and reduces stress. So, pull out that dark chocolate bar which is hiding in the desk drawer.