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“WHERE THINGS SO SMALL CAN HAVE A MASSIVE IMPACT ON YOUR HEALTH.”
Herbsprout is a webblog and podcast dedicated to sharing the health benefits of herbs, food, innovations related to our gut microbiome. Herbsprout seeks to bridge the vast chasm dividing the mainstream medical community and alternative medicine.

Exercise changes our gut Microbiome

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New research shows there is a correlation between the gut microbiome and exercise, both moderate and intense exercise, according to Vijaya Surampudi, MD, Clinical Chief of the UCLA Center of Human Nutrition, (source: UCLAhealth.org).

Exercise, can modify gut microbiota by its positive impact on energy homeostasis where the cells in our body regulate energy and food intake.

Denise Alvey, RDN, a registered dietitian with UCLA Health Sports Performance powered by Exos, said that “exercise allows for more oxygen to reach the brain and bloodstream,” which is a healthy environment for good bacteria to flourish. Alley adds that good exercise and a healthy diet complement each other in ways the allow our gut flora to flourish.

https://www.uclahealth.org/news/new-microbiome-research-reveals-exercise-may-impact-gut

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人間は微生物叢にとっては「サンゴk礁」ですあることは病気を予防する多様性の鍵となる; Humans are “coral reefs” for microbiota; diversity key to disease prevention

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人間は微生物叢にとっては「サン...
人間は人間の DNA よりも細菌の DNA の方が多いという声明が飛び交っています。細菌細胞 (38 兆) 対人間細胞 (30 兆)(2)、または細菌遺伝子 (3,000 万) 対人間遺伝子 (23,000) (1)など、どのように切り取っても、その結果は、人体が「サンゴ礁」のような腸内微生物の生態系であることを示しています。

このアイデアは、エル・パイス誌(2)の2023年2月26日号で有名な微生物学者フレデリック・ブッシュマンによって名付けられました。あるいは、微生物学者のイグナシオ・ロペス=ゴニが言うように、「私たちはゲノムの 1% が両親から、99% が微生物(1)から受け継がれた超生物です」

研究者や健康専門家は、人間の「サンゴ礁」の中に今日の健康上の問題の多くの原因があり、今日の非常に多くの解決策の源があると確信しています。

腸内微生物のほとんどの菌株は有益で健康的ですが、他の菌株は有害であるあることが特定されています。イェール大学の研究者達による最近の研究では、モルガネラ・モルガニイと大腸菌が人間のDNAに対して有毒な分子を生成し、ネズミの研究でも腫瘍を引き起こすことが判明した。胃内でよく見付かる別の細菌であるヘリコバクター・ピロリは、胃がんのリスク増加(3)と関連しています。

一方では、「ほとんどすべての病気の共通要因は[微生物叢の]多様性の喪失であり、これはおそらく、野菜をほとんど含まないタンパク質と脂肪の豊富な食事にも関連していると考えられます」。エル・パイス誌(1)2023年1月2日号に引用されている、国際ヒューマンマイクロバイオームコンソーシアム科学委員会メンバーである消化器科医フランシスコ・ガーナーによると、野菜を消化するために結腸内に存在していた微生物叢は失われるし、消滅する。

国立衛生研究所のPubMedは、複数世代にわたり、低繊維、低MAC(微生物叢がアクセス可能な炭水化物)食生活は多様性の進行性の喪失をもたらし、MAC食生活を再導入しても、それを元に戻すことはできません。食物繊維に含まれるMACは、この微生物生態系の形成に重要な役割を果たしており、伝統的な食生活と比較して西洋の食生活では著しく減少しています。(5)

東京の医薬基盤研究所の黒谷佳代氏は、高繊維納豆は大豆を枯草菌で発酵させて作られ、味噌は大豆を麹菌で発酵させて作られることを発見した。93,000人の日本人と彼らの食習慣を対象とした同氏の研究では、納豆を最も多く食べる男性はほとんど食べない男性に比べて死亡率が24%低く、女性は心血管疾患による死亡リスクが21%低いことが示された。(3)

 

1) https://english.elpais.com/science-tech/2023-01-03/we-are-half-human-half-bacteria-what-the-microbes-in-our-bodies-can-do-for-us.html

2) https://english.elpais.com/science-tech/2023-02-26/study-reveals-exchange-of-microbiome-bacteria-could-increase-risk-of-disease.html?outputType=amp

3) https://www.reuters.com/article/us-health-diet-soy/miso-soup-might-be-one-comfort-food-that-helps-you-live-longer-idUSKBN2012J6

4) https://english.elpais.com/science-tech/2022-10-31/gut-dwelling-bacterium-singled-out-as-the-possible-cause-of-colorectal-cancer.html

5) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4850918/

その他の関連記事: https://www.cnbc.com/2023/03/02/nutritionist-from-japan-shares-foods-she-eats-every-day-to-stay-healthy-young-and-live-longer.html

 The statement has been tossed around that people have more bacterial DNA than human DNA. However you slice it, whether by bacteria cells (38 trillion) versus human cells (30 trillion) (2) or bacteria genes (30 million) versus human genes (23,000) (1), the results points toward the human body as an ecosystem of gut microbes, like a “coral reef”.

This idea is dubbed by famous microbiologist Frederick Bushman in a February 26 2023 issue of El Pais (2). Or as microbiologist Ignacio López-Goñi puts it, “We are superorganisms in which 1% of our genome is inherited from our parents and 99% from our microbes (1).”

Researchers and health experts are convinced that inside the human “coral reef“ are causes of so many of today’s health problems, and source of so many of today’s solutions.

While most strains of gut microbes are helpful and healthy, others have been identified as harmful. A recent study by researchers at Yale University found that Morganella morganii and Escherichia coli produce molecules that are toxic to human DNA, also causing tumors in a mice study. Another common bacterium in the stomach, Helicobacter pylori, is associated with an increased risk of gastric cancer (3).

On the other hand, “The common factor…in almost all diseases is the loss of diversity [in the microbiota], which is possibly also related to protein- and fat-rich diets [that include] few vegetables. The microbiota that we had in the colon to digest those vegetables is lost and disappears,” according to gastroenterologist Francisco Guarner, a member of the International Human Microbiome Consortium’s scientific committee who is quoted in the January 2 2023 issue of El Pais (1).

The National Institute of Health’s PubMed reported that over multiple generations, a low-fiber, low-MAC (Microbiota accessible carbohydrates) diet results in a progressive loss of diversity, which is not recoverable upon the reintroduction of dietary MACs. MACs found in dietary fiber, play a key role in shaping this microbial ecosystem, and are strikingly reduced in the Western diet relative to more traditional diets (5).

Kayo Kurotani of the National Institutes of Biomedical Innovation in Tokyo, found that high fiber Natto is made from soybeans fermented with Bacillus subtilis, and miso is soybeans fermented with Aspergillus oryzae. His study of 93,000 Japanese and their eating habits showed that men who ate the most natto were 24% less likely than those who rarely ate, and women were a 21% lower risk of dying from cardiovascular causes (3).

1) https://english.elpais.com/science-tech/2023-01-03/we-are-half-human-half-bacteria-what-the-microbes-in-our-bodies-can-do-for-us.html

2) https://english.elpais.com/science-tech/2023-02-26/study-reveals-exchange-of-microbiome-bacteria-could-increase-risk-of-disease.html?outputType=amp

3) https://www.reuters.com/article/us-health-diet-soy/miso-soup-might-be-one-comfort-food-that-helps-you-live-longer-idUSKBN2012J6

4) https://english.elpais.com/science-tech/2022-10-31/gut-dwelling-bacterium-singled-out-as-the-possible-cause-of-colorectal-cancer.html

5) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4850918/

Other related articles: https://www.cnbc.com/2023/03/02/nutritionist-from-japan-shares-foods-she-eats-every-day-to-stay-healthy-young-and-live-longer.html

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