Chronic Stress: Greater Numbers of Harmful Gut Bacteria

By Research Writer: Margaret W. Lavigne

 

The Gut-Brain connection Is Bidirectional

Indeed, our brain and stomach constantly communicate and affect each other. In a sense, as we manage to govern our emotions, we master our digestion simultaneously.

 

The gut-brain axis involves the regulation of glucose and fat metabolism, insulin secretion and bone metabolism. Any persistent negative emotions may cause disturbances of the brain-gut axis, including the central, autonomic and enteric nervous systems. Negative emotions may cause the release of catecholamines and norepinephrine into the GI tract and lead to dysregulation of the gut-brain axis due to changes in the GI motility, secretion of mucus and epithelial cells. Either negative emotions or increased levels of corticosterone may cause exacerbation of irritable bowel syndrome symptoms. The gut microbiota modulates our immunity, nutrient absorption and energy metabolism. It’s worth noting that intestinal microbiota directly produces neurotransmitters.

 

 

Stress and Gut Health

Chronic stress is a prolonged mental state. There is a significant causality between gut bacteria and mental health issues, particularly depression and anxiety. A wealth of studies found that high levels of stress affect gut bacteria to a similar degree as a high-fat diet. Chronic stress alters gut bacteria, and gut bacteria also changes stress levels.

 

Chronic stress and any negative emotions, such as suppressed anger, fear and anxiety,  lead to stomach problems. Researchers have identified a powerful connection between the gut and brain. Our gut is full of nerves that the gut contains the largest area of nerves outside the brain. Indeed, the digestive tract and brain share many same nerve connections.

 

Negative emotions damage our digestive system, which will cause a decrease in blood and oxygen flow to the stomach and lead to an imbalance of gut bacteria and even chronic inflammation. Negative emotions have a negative effect on our gut flora and lead to a decrease in antibody production. Chemical imbalance causes a number of gastrointestinal conditions. It is now well recognized that positive emotions are essential to maintain homeostasis.

 

Gut bacteria affect immunity and that’s why stress dysregulates the immune response. According to scientists from The Ohio State University, exposure to stress led to changes in composition, diversity and number of gut microorganisms. The bacterial communities in the intestine became less diverse and had greater numbers of potentially harmful bacteria, such as Clostridium. Dr. Bailey explains that when we reduce the number of bacteria in the intestines by means of antibiotics, the immune system will be affected. Stress changes the bacteria levels in the gut, and these alterations also alter our immunity. It’s worth noting that gut bacteria have been linked to inflammatory bowel disease and asthma.

 

The intestines have a tight barrier to protect the body from food-related bacteria. Chronic stress makes the intestinal barrier weaker and so gut bacteria might enter into the body. Studies found a high-fiber diet might activate gut bacteria to produce more SCFAs in which bolsters our gut’s natural defenses against the damage caused by chronic stress.

 

Common stress-related gut symptoms and conditions include indigestion, stomach cramps, diarrhea, constipation, loss of appetite, nausea, Irritable Bowel Syndrome (IBS), and peptic ulcers. If you suffer from one of these symptoms, do not away from your negative emotions, persistent depression or mental wounds. 

 

The Connection between Brain and stomach 

The brain has a direct effect on the stomach and intestines. The gastrointestinal tract is sensitive to negative emotions, including suppressed anger, anxiety, fear and depression. This connection between brain and the stomach is bidirectional. Negative emotions affect movement and contractions of the GI tract.

image source

 

 

The connection between gut and brain is named the gut-brain axis and the enteric nervous system (ENS).  It’s worth noting that a troubled intestine send signals to the brain, and the brain sends signals to the gut when it suffers. Again, the brain and the gastrointestinal (GI) system are intimately connected.

 

The brain communicates with gut through “multiple parallel pathways,” including the autonomic nervous system and  hypothalamic-pituitary-adrenal axis. The gut-brain axis includes the central nervous system (CNS), the neuroendocrine and neuroimmune systems, autonomic nervous system, enteric nervous system, and intestinal microbiota.


That’s why some people feel nauseated before giving a speech, or feel intestinal pain when they are anxious and stressed. As you feel anxious, stressed out, or dreadful of something, your brain will send a message to your stomach. Some people with functional GI disorders perceive acute pain more because their brains are more responsive to pain signals from the GI tract.

 

Journal Reference

1) Bailey. Exposure to a social stressor alters the structure of the intestinal microbiota: Implications for stressor-induced immunomodulation? Brain, Behavior, and Immunity, 2011; 25 (3): 397 DOI: 10.1016/j.bbi.2010.10.023

2) How fiber and gut bacteria reverse stress damage

 

Margaret W. Lavigne 

 Purchase Margaret W. Lavigne’s publications on Amazon

 

 

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Reference

  1. Harvard Health Publishing: The gut-brain connection
  2. Gut-Microbiota and Mental Health: Current and Future Perspectives
  3. Harvard Health Publishing: Brain-gut connection explains why integrative treatments can help relieve digestive ailments

 

 

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Margaret W. Lavigne 司馬儀

There’s a strong link between imperfection, unconditional love and posttraumatic growth. In truth, we can only witness unconditional love in the hard times. If you believe in luck or miracles, be aware of the seven deadly sins and the seven heavenly virtues. According to the Bible, no one will be exempt from life challenges, including the chosen ones (1 Peter 1:3-9). God expects us to stay hopeful and “rejoice in our sufferings,” because “trials of various kinds” are training to make us “perfect and complete” (Romans 5:3-6, James 1:1-27). It’s comforting to know that “God promises to make something good out of the storm” (Roman 8: 28). We fall and we learn. As we learn to humble ourselves, life gets better. The connection between the brain and stomach is bidirectional. Excessive sugar intake sabotages our immune system that 70% to 80% of our immunity hinges on our gut health. Memory loss and cognitive impairment are common symptoms of Alzheimer’s disease, all of which are highly connected to type 2 diabetes. Early signs of type 2 diabetes include chronic fatigue, irritability, frequent urination, vision problems and slow wound healing. Depression is prevalent in people with diabetes due to the fact that diabetes causes “structural changes in the brain.” It’s worth noting that muscle-building helps regulate blood sugar levels. There is growing evidence that high blood sugar leads to reduced muscle mass. Beyond that, there’s a strong link between sleep deprivation and emotional weakness Be aware of the power of tenderness, humility and subconscious mind. Generally, negative emotions root in the inability to forgive, vanity or pride. People suffer from suppressed anger. God is watching our every move. God sees through our motives. Mental health crisis is sweeping on a global scale because the core value of capitalism is incompatible with what human truly needs. Money cannot purchase inner peace nor unconditional love. Wealth incurs fair-weather friends, frenemies and snobs. I would say, inner peace is the utmost blessing from God. Trauma is highly linked to chronic fatigue and chronic illness. Take time to deal with your old mental wounds. 這裡不是天堂,我們必須勇敢!這輩子身體顧好了,你就賺到四百萬+++。人生,除了身體健康以外的事都是小事,而生病只是提醒不是懲罰,因為無常是:一個健康的人一出門就沒有再回家了,連道別的機會和準備都沒有。人們錯過的都是最悲傷最真實的故事!因為多數人可以分享的都無關緊要的痛或路人皆知的痛。佛教用因果論概括一切,而聖經主張人生必有難題(包括選民),但好好表現,災難背後會有禮物。如果你以為誰的人生很輕鬆,肯定是你跟對方不熟。脖子控管自律神經!肩頸僵硬,「自律神經」就會被受到壓迫!自律神經失調引發的症狀包括頭痛、暈眩、焦慮、失眠、倦怠、口渴、耳鳴,甚至憂鬱等症狀。自律神經失調了,血液的品質也會跟著惡化!解法:甩手操。建議多按壓頭皮、耳朵和手上的穴道。腸胃健康和大腦健康息息相關,國外大力探討久坐對身體的傷害!健康建議:天芢無糖抹茶搭配芝麻和牛奶X 無糖豆漿X鹼性飲食X淋巴按摩X提高肌肉量(控制血糖的關鍵,糖尿病是可逆轉的)。鈣是解痛劑(看牙科前)。維生素E主修復,可避免留疤。高壓容易緊張族群可多攝取維生素B和鈣的食物。一夜白頭是心理影響身體的鐵證,勿低估負面情緒對身體的傷害,包括生悶氣或憂愁。詳情請參看網站醫療專欄。壞脾氣一定有理由,可能是高血糖或創傷症候群或高壓族群,而壞情緒會把幸運福氣和天使嚇跑。禍福相依,好消息可能會成為頭痛點,壞消息可能成為跳板!不屬於自己的只會逗留,不會久留,勿強求。引用小說《推理愛》:「判斷一個人愛不愛她很難,但判斷一個人珍不珍惜她卻很簡單。」「柔和」「謙卑」與「歸零」的力量。自信缺氧,就用力學習。不自律就無法成為更好的自己,不自律就無法肯定自己!提醒自己做該做的而不是想做的。預防改善糖尿病推薦食材:洋蔥、無糖抹茶、咖哩及酪梨。理財時代,從照顧好自己的健康開始。遠離乳癌,醫師呼籲不要使用塑膠袋裝熱食!國外研究證實:阿茲海默症患者「禁糖」便可望痊癒!人們低估了「糖過量」及「過食」對身體的破壞力。咖啡和巧克力的好被過度放大.精神不濟喝咖啡恐消耗維生素B。聖經說了,說過的每句話都會被記錄在一本書裡!好壞都被記錄了,所以聖經主張人們不可記他人的過錯。最佳午睡時間是20分鐘和90分鐘。以上,互相督促。生命線協談專線:1995 安心專線:1925 張老師專線:1980 自殺防治諮詢安心專線:0800-788995 聯繫司馬儀(譬如跨界合作):Gmail: jpsiawase@gmail.com 

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