https://chocolateclass.wordpress.com/2016/05/10/medicinal-benefits-of-theobroma-cacao-contemporary-studies-of-chocolate-as-a-health-food-and-the-historical-use-of-cacao-in-healing/

http://ipfactly.com/chocolate-milk/

https://news.harvard.edu/gazette/story/2017/02/cocoa-for-pleasure-and-health/