Eating dark chocolate every day can reduce the risk of heart disease.
http://www.health.harvard.edu/blog/sweet-dreams-eating-chocolate-prevents-heart-disease-201506168087
The smell of chocolate increases theta brain waves, triggering relaxation.
https://www.newscientist.com/article/mg15220612-600-science-one-sniff-and-youre-in-chocolate-heaven/
M&Ms were created in 1941 as a means for soldiers to enjoy chocolate without it melting.
http://www.history.com/news/hungry-history/the-wartime-origins-of-the-mm
