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  • Grape Nuts was one of the first American cereal brands.

    グレープナッツはアメリカ初のシリアルブランドの 1 つです。

  • It claimed it could steady a man's nerves and clear his brain.


  • It could keep you cool in the summer.


  • It was food for muscles.


  • For "the warding off of disease."


  • And for "men of brains."


  • It was the "most scientific brain and nerve food in existence."


  • These ads might seem ancient, but in connecting breakfast cereal with health, they aren't so different from how breakfast has been sold to us ever since.


  • "Cheerios breakfast gives you the power protein."


  • "How do I stay so slim?"


  • "I watch what I eat, like Post Grape Nuts for breakfast."


  • "Data shows women who eat breakfast tend to weigh less than those who don't."


  • The problem with a lot of these claims isthey're not exactly true.


  • But the idea of breakfast being good for healthespecially weight losshas persisted for over a century.

    ですが朝食は健康に、特に体重の減少にいいという考えが1 世紀以上も定着し続いています。

  • So where does this myth come from?


  • And what does this guy have to do with it?


  • "For children there's pretty strong evidence that breakfast is a good idea."


  • That's Julia Belluz who reports on health for Vox.

    これは Julia Belluz であり、Vox で健康について報道する記者です。

  • "As an adult one of the most common claims we hear about breakfast is that it really promotes weight loss."


  • And that idea didn't come out of nowhere.


  • There's a whole body of research that connects breakfast with weight loss.


  • But the methods behind a lot of those studies don't always hold up.


  • Like this one, that found an association between eating breakfast, and having a low body mass index.


  • That might be true, but studies like this aren't actually testing what would happen if you were to change your breakfast behavior.


  • "The problem with those studies is that breakfast skippers and breakfast eaters are different people."


  • "So maybe the breakfast eaters earn more money and exercise more and that explains why they weigh less than the breakfast skippers."


  • Most of these studies also don't take into account a major factor: what we eat for breakfast.

    また、多くの研究は 1 つ重要な事を忘れているのです。それは私たちが朝食に何を食べるかということです。

  • There's likely a big difference between eating a bowl of Fruity Pebbles, or a bowl of steel cut oats.

    1 ボウルのフルーティーペブルズを食べることと、1 ボウルのスチールカットオーツを食べることとは大きな違いがあると思われます。

  • There was even a study of studies that tried to answer the question: does our best research on breakfast prove that it helps with weight loss?


  • "Researchers looked at 13 randomized controlled trials, the highest quality of evidence on breakfast and its effect on weight loss."

    「研究者達は、13 の不特定に選ばれた事例を見た。それは、朝食とその体重の減量への影響に関する最も信頼できる証拠だ。」

  • When researchers looked at the studies, they found there's "no evidence to support the notion" that eating breakfast helps you lose weight.


  • "And they found that breakfast might even had the opposite of the desired effect."


  • "In some studies people actually gained a little bit of weight when they started to eat breakfast."


  • So if the available science doesn't actually support this idea, why do we still believe eating breakfast is a healthier way to live?


  • Well, it has a lot to do with these guys.


  • Before they got into cereal, Dr. John Harvey Kellogg and his brother Will Keith Kellogg, ran a family business.


  • The "Battle Creek Sanitarium."


  • It was a wellness center, a place where the wealthy could go for what they called "biologic living".

    それは健康センターで、 裕福な人たちがいわゆる「生物学的生活」をしに行くところです。

  • It included things like salt glow baths, light treatments, and strange looking exercise machines.


  • It was there in 1898 that John Harvey came up with corn flakes, as a way to curb indigestion.

    1898 年、ジョン・ハーヴェイは消化不良を抑える方法として、コーンフレークを作るという考えが浮かびました。

  • But he was also an extremely religious doctor who believed masturbation was a carnal sin.


  • And he prescribed a bland diet, including corn flakes, as part of the cure.


  • In 1906, John Harvey's brother, Will Keith, took corn flakes, and mass-marketed them to the world.

    1906 年、ジョン・ハーヴェイの弟ウィル・キースはコーンフレークを世界で大量販売しました。

  • By 1917, Good Health, a magazine edited by John Harvey Kellogg, wrote "In many ways, the breakfast is the most important meal of the day."

    1917 年、ジョン・ハーヴェイ・ケロッグが編集した雑誌 Good Health にはこう書かれました。「色々な意味で、朝食は一日の食事の中で最も重要です。」

  • With claims like this, cereal makers solidified the idea of a healthy breakfast.


  • "It repairs and it sustains all body tissue."


  • "It's part of your good breakfast."


  • And today, a lot of the science cited in cereal commercials has a similar source.


  • "Part of a good breakfast."


  • Take a look at the small print on these studies.


  • This one concludes breakfast skipping is not good for managing weight.


  • It's funded by the Kellogg Company.


  • And this one found breakfast skipping had other health costslike high cholesterol.


  • It's funded by another major breakfast maker, Quaker Oats.


  • So, knowing all this about the slippery science of breakfastshould we still be eating it?


  • There's little evidence that it's a great weight loss strategy, but that doesn't mean breakfast is bad.


  • "For a lot of people breakfast isn't pointless."


  • "It can be a good time of day to stock up on vitamins and nutrients."


  • "But for the rest of us, it's up to you.”


  • That means, if you're a breakfast eater, like Julia, you can carry on.


  • And if you're a breakfast-skipper, like me?


  • Don't worry, the best science we have suggests we're probably just fine either way.


  • Thanks for watching.


Grape Nuts was one of the first American cereal brands.

グレープナッツはアメリカ初のシリアルブランドの 1 つです。

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