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  • Imagine you could ask a bunch of Nobel Prize winners one question: Whatís the secret to

  • your intelligence? They answer: Chocolate. It sounds crazy but itís not as far from

  • the truth as you might think. Last year a study found a significant correlation between

  • chocolate consumption per capita and the number of Nobel laureates from various countries.

  • The linear correlation was surprisingly strong. All countries fall nicely around a trend lineÖ

  • except for Alfred Nobelís homeland Sweden, which has far more nobel prize winners per

  • capita given their chocolate consumption. We'd all love to believe that chocolate can

  • boost our intelligence... Well, can it? Thereís something super inside chocolateódark chocolate,

  • not milk chocolateóand thatís flavanol, a potent antioxidant. So far flavanols have

  • been shown to lower blood pressure a little by improving the function of the inner lining

  • of blood vessels, so itís easier for blood to flow through them. Flavanols have also

  • been effective in slowing down or even reversing the reduction in memory and thinking skills

  • that occur with aging. In one study, elderly participants were given two cups of flavanol

  • rich or flavanol poor cocoa to drink every day. Well, neither the flavanol rich or poor

  • cocoa led to any overall effects on patientís cognitive abilities... Except for those who

  • already had compromised blood flow and white matter damage to their brains. These people

  • found that blood flow in their brains improved by 8% and the time it took to complete a working

  • memory test went down from 167 to 116 seconds. Since chocolate only boosted blood flow to

  • the brain and memory skills in those with impairments, the benefits arenít quite applicable

  • to a larger, healthy population. But, watch this spaceóthere are still lots of studies

  • being done looking into possible benefits of chocolate consumptionÖ some funded by

  • big confectionary companies. And thereís still this correlation between chocolate consumption

  • of a country and their number of nobel laureates. Of course correlation does not imply causationóit

  • indicates that either a countryís chocolate consumption influences the number of nobel

  • prizes won, the number of nobel prizes won influences a countryís chocolate consumption,

  • or both chocolate and prizes are influenced by a common factor. If you are craving flavanols,

  • chocolate isn't the only, or best, way to get themóthe amount of flavanols in dark

  • chocolate varies a lot depending on the type of cocoa bean, where itís from and how itís

  • manufactured. Sometimes flavanols are even removed from chocolate because of their bitter

  • taste. Tea, grapes and apples are other rich sources of flavanols. Chocolate is, like other

  • things, a sometimes food. If youíre new to BrainCraft, be sure to subscribe for a new

  • video every other week.

Imagine you could ask a bunch of Nobel Prize winners one question: Whatís the secret to

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B1 中級

チョコレートはあなたを賢くすることができますか? (Can Chocolate Make You Smarter?)

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    林曉玉 に公開 2021 年 01 月 14 日
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