One Unexpected Way To Improve Gut Bacteria and Redefine Your Well-Being & Health

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You may have heard that all disease starts in the gut. I would argue that all disease starts in our brain, but indeed, the gut is the first place, where stress and negative thought patterns show their negative consequences. The opposite is valid, too – if you keep your gut health in check, this contributes to an improved mental state and physical well-being.

We are used to linking gut health with food alone, although our overall lifestyle plays a huge role in maintaining the healthy environment there. New research, linking physical activity to gut health is giving some astonishing results that may surely surprise you.

In fact, recent research has discovered that activity alone, independent of diet changes, has the ability to alter gut bacteria by increasing short-chain fatty acids that are integral for not just gut health but overall health.

What is the Gut? 

Let’s begin from ground zero. What exactly are people referring to when they talk about the gut?

Dr. Ganjhu, a professor of medicine at NYU Langone Medical Center, explains that “the gastrointestinal system is more than the body’s primary site of taking in and absorbing nutrients … This system of critical digestive organs also acts as a type of switchboard or communication center to and from the brain, and functions as one of the body’s frontlines in the fight against disease.”

The gut goes by many names including gastrointestinal system or tract, digestive system, and digestive tract. No matter which identifier you choose, the gut still refers to the same “group of organs that includes the mouth, esophagus, stomach, pancreas, liver, gallbladder, small intestine, colon, and rectum.” These organs work in tandem to create a complicated, yet balanced ecosystem that is integral in “sustaining and protecting the overall health and wellness of our bodies.”  These tasks include absorption of nutrients and water, separation, breakdown, and distribution of nutrients, filtering toxins and chemicals, and much more!

What’s all the hullabaloo surrounding the importance of gut health?

Recent research has found that the health of your gut, specifically the lacking of a diverse bacterial environment, may be directly linked to an increase in certain serious health conditions. These include physical ailments — such as diabetes, obesity, inflammatory bowel disease, ulcerative colitis, Crohn’s disease, heart disease, arthritis, and certain cancers — as well as mental ailments — such as depression, anxiety, and even autism.

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The Relationship between Bacteria and the Gut

Also check out 7 Little-Known Solutions To Improve Digestion (And Stop Gas) On A Vegan Diet

One of the main components of a healthy gut is healthy and diverse bacteria. The gut is naturally populated with trillions of bacteria, which “help digest food and play an important role” in the bodies well-being. Yet, these trillions of bacteria aren’t all identical. In fact, the gastrointestinal ract has “300 to 500 different kinds of bacteria containing nearly 2 million genes.” On top of that, all of these different bacteria are able to pair up with viruses and fungi, also called microorganisms. This conglomeration of bacteria and microorganism makes the microbiota which populates the microbiome.

Every human body is different and the gut is no exception! In fact, the bacteria in your gastrointestinal tract is curated from birth and throughout our entire life, beginning with “your mother’s microbiota – the environment that you’re exposed to at birth — and partly from your diet and lifestyle.”

Healthy and diverse gut bacteria require a nutritious diet that is high in fiber, prebiotics, and probiotics and low in ultra-processed and processed foods, sugar, and unstable vegetable oils, as well as regular physical activity and exercise and an appropriate amount of sleep. Yet, it’s not as simple as that. There are also certain things that can damage the delicate bacterial environment in your gut such as over-the-counter medicines and antibioticsalcohol consumption (alcohol can lead to dysbiosis) cigarette smoking, and stress.

Exercise and a Healthy Gut

One of the newest discoveries in regards to gut health is the amazing positive effects of exercise. More and more studies are finding a slew of evidence showing that, even apart from diet, exercise can alter your gut bacteria for the better. Yet, as always, let’s take a look at the actual science behind the statement and get informed!

Exercise Modifies the Gut Microbiota with Positive Health Effects


In this article, published in the Oxidative Medicine and Cellular Longevity Journal, a wealth of research was collected from various studies in order to “shed some light over the recent knowledge of the role played by exercise as an environmental factor in determining changes in microbial composition and how these effects could provide benefits to health and disease prevention.”

The article looked at various aspects of gut microbiota including composition, development, functions, and disease, before breaking down these counterparts in relation to exercise. From various studies, the article focused on the relationship between voluntary and controlled exercise with gut physiology, microflora, and microbiota. The article even went so far as to look at the effects of exercise and probiotic supplementation on the gut microbiota.

In conclusion, they found that 

“exercise appears to be an environmental factor that can determine changes in the qualitative and quantitative gut microbial composition with possible benefits for the host.” Furthermore, the article suggests that “exercise is able to enrich the microflora diversity … which could potentially contribute to reducing weight, obesity-associated pathologies, and gastrointestinal disorders; to stimulate the proliferation of bacteria which can modulate mucosal immunity and improve barrier functions, resulting in reduction in the incidence of obesity and metabolic diseases; and to stimulate bacteria capable of producing substances that protect against gastrointestinal disorders and colon cancer (such as, SCFAs).”

Exercise Alters Gut Microbiota Composition and Function in Lean and Obese Humans


An even more recent study published in the Medicine & Science in Sports & Exercise Journal, a team of researchers sought to understand the relationship between modulated exercise training in humans and the “gut microbiota and associated metabolites.” The study “explored the impact of [six weeks] of endurance exercise on the composition, functional capacity, and metabolic output of the gut microbiota in lean and obese adults with multiple-day dietary controls.”

The study resulted in three distinct outcomes. First, that exercise increased the amount of short-chain fatty acids in the fecal matter of lean participants, but not obese participants. Second, “exercise-induced shifts in metabolic output of the microbiota paralleled changes in bacterial genes.” Third, once participants stopped exercising the changes in the microbiota ot only stopped, but were actually reversed.

Basically, the study was able to deduce that “exercise training induces compositional and functional changes in the human gut microbiota.” With that said, these changes are dependent on lean versus obese body makeup, as well as the continuation of regular exercise, and yet are independent of iet.

The Effect of Physical Exercise on Our Gut Microbiome

Written by Emeran Mayer, M.D., referenced and researched broadly, and published on Psychology Today in 2018, this article entitled The Effect of physical Exercise on Our Gut Microbiome offers a well-rounded look at exercise, gut health, and our psychological well-being.

To begin, Mayer breaks down how the gut and the body communicate in regards to exercise. Basically, how does our body know that we are exercising? Mayer explains that “physical exercise activates the autonomic nervous system, which sends signals to the gut, which can change peristalsis, regional transit, and secretion of fluid and mucus … During a high-intensity endurance exercise, these autonomic nervous system signals can increase the leakiness, reduce blood flow to the gut, and even directly affect gut microbial behavior.”

Next, the article references several studies citing the effects of exercise on gut health:

“In one study, the investigators wanted to find out if high-intensity endurance exercise altered the gut microbiota composition and metabolic activity, and if this effect was related to a change in intestinal permeability or the leakiness of the gut” and in a second study “investigators explored the impact of six weeks of endurance exercise on the composition and function of the gut microbiota in lean and obese adults with multiple- day dietary controls.”

Through these studies, Mayer, M.D. noted the same exercise-based results that the previous studies from the Oxidative Medicine and Cellular Longevity Journaland the Medicine & Science in Sports & Exercise Journal. Mayer states that“endurance exercise does indeed have an effect on the community structure and function of the gut microbiome, which is independent of exercise-related dietary changes.”

Energizing and Microbiome Boosting Plant-Based Foods

While one of the surprising findings in these studies is that exercise can positively change the microbiota independent of dietary changes, this doesn’t mean that diet can’t affect gut bacteria health, as well as the quality of your exercise. Not only does diet provide energy reserves that can boost the effectiveness of your workouts, but the nutrition you gain from food helps the recovery process.

Here are some healthy, plant-based foods that serve both your workout and your gut bacteria!


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