Podcast Cover

[The Science of Chocolate and Memory: A 'Wow in the World' Expedition]-[Cuckoo For Cocoa: Journey To The Chocolate Forests Of South America]

Wow in the World · B1 · 2017-07-27

Preschool Enlightenment
Or study on the web version

📋 Summary

The Scientific Connection Between Chocolate and Memory

In this episode of Wow in the World, hosts Mindy and Guy Raz embark on a scientific expedition to Colombia to investigate the Theobroma cacao plant, the source of chocolate, and its surprising potential to enhance human memory.

The Origin of Chocolate: From Fruit to Bean

Guy Raz explains that the Theobroma cacao tree is a small evergreen native to the tropical regions of Central and South America. Contrary to the fantastical expectations of a "Chocolate Forest" filled with candy, Mindy discovers that the tree produces pods containing seeds. These seeds, known as cocoa beans, are initially bitter and sour. To transform these into the chocolate we enjoy, the beans must undergo a rigorous process of drying, roasting, and grinding into a paste, which is then mixed with ingredients like sugar, milk, and cocoa butter.

Flavonoids: The Brain-Boosting Secret

The core of the scientific investigation focuses on flavonoids, natural chemicals found in cocoa beans. Mindy and Guy Raz discuss findings from a study conducted by scientists at the University of L'Aquila in Italy. The study suggests that flavonoids can play a significant role in improving memory, particularly in older adults.

How Flavonoids Work

  • Blood Flow and Oxygenation: Flavonoids help increase blood flow to the brain, which in turn delivers more oxygen.
  • The Dentate Gyrus: This increased blood flow targets the dentate gyrus, a specific area within the hippocampus—the part of the brain responsible for creating memories.

Practical Implications

While the hosts use humor to highlight the difference between processed chocolate bars and health-promoting cocoa, they emphasize that not all chocolate is created equal. The benefits are primarily found in dark chocolate and cocoa nibs (crushed, roasted pieces of cocoa beans) because they contain higher concentrations of flavonoids without the interference of excessive sugar and milk additives. The episode concludes by clarifying that while chocolate can be a delicious treat, the specific cognitive benefits come from the natural chemical compounds found within the raw cacao, rather than the sugary confections typically found in a standard candy store.

🎯Key Sentences

1
The good news is there's no good news.
2
I'm not really sure you'd be interested in it.
3
Only you don't want me to know.
4
I'm coming with you.
5
I'm not so sure this is a good idea.
Expand All

📝Key Phrases

1
music to your ears
2
get on with the show
3
zip it shut
4
pull a fast one on
5
a piece of the action
Expand All

📖 Transcript

Grownups, Wondery Plus subscribers can listen to Wow in the World early and ad-free right now.
Join Wondery Plus in the Wondery app or Wondery Kids Plus on Apple Podcasts.
Hey, Wowzer fans, Mindy here.
And before we start the show, I gotta let you know that this November, with a special new episode featuring our friends at Circle Round and Terrestrials on Radiolab for Kids,
And don't miss when Elmo from Sesame Street stops by Wow in the World to make us all belly laugh on November 24th.
Oh, but that's not all, Reg.

ListenLeap Brings You Into Real Context Learning

🎨 Interesting Content
🌍 Real Materials
📱 Listen Anytime
Or study on the web version