"The chocolate science hype machine" -- Vox, 2018, 5:39 -- https://www.youtube.com/watch?v=_Ch5ClOB9AE

Most people love chocolate, and most people easily believe studies which find chocolate has beneficial health qualities. The problem is, however, that these studies are often extremely biased, sponsored by chocolate companies, and/or interpreted out of context through public relations campaigns aimed at validating people's indulgences. This video gives us a quick look into how facts can be used to mislead. 

From the video's description: Chocolate is good for your health, one study concludes. Another study indicates chocolate can be a useful aid to weight-loss. Senior moments? Chocolate may be the answer to your problems. These are just a few of the headlines about chocolate's effect on your health. However, the claims made about chocolate's glorious benefits need to be taken with a grain of salt.