Celebrate 'Chocolate Day' with science you'll love

leslie Leslie Williams

Every time someone says “Valentine's Day,” I immediately translate it to “Chocolate Day.” Why? Once upon a time, when I was single, I hated Valentine's Day. To combat the negative feelings, my friends and I decided to rebrand and celebrate it as Chocolate Day—the day we would go forth and gorge on beautiful chocolate hearts, dipped strawberries, truffles, and cake. Since then, Feb. 14 has become a day I always look forward to, and Chocolate Day is a tradition I welcome everyone to adopt—single or not.

As I’ve gotten older, though, I’ve had some second thoughts about my beloved Chocolate Day. With my science background and natural curiosity (which is backed by a strong sense of skepticism), I decided to browse PubMed as an alternative way to get my chocolate fix this year. And, apparently, I’m not the only one with an appetite for sweet scientific information, as searching for “chocolate” in PubMed yields nearly 4,000 results. Wow. Below are some of my delicious discoveries.

The Heart

The Brain

The Process

  • Mycobiota of cocoa: from farm to chocolate. Yay, fungi!
  • Analytical techniques to objectively assess cocoa quality. Oh, the sweet smell of aroma-formation potential.
  • Diversity at different stages of industrial processing of cocoa beans into cocoa powder. I completely forgot about chocolate drinks! Adding those to my shopping list.

While I’ve only listed a handful of articles here, the chocolate rabbit hole on PubMed is overwhelming. All in all, I’ve concluded that while most of the effects of eating chocolate are unknown, there is some evidence that I should choose dark chocolate over other options, and that a certain amount might be good for the heart—and maybe even the brain. So this Valentine’s Chocolate Day, ditch the sappy romantic comedy, curl up with some chocolatey science, and bring on the cocoa flavanols!

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Leslie Williams

Leslie Williams

Leslie studied neuroscience and conducted research at UCLA. She now works with labs to streamline workflows and save money.