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Your Gut Microbiome

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As promised to one of our faithful readers I am sharing information in regards to your gut health and why it is important. The following is excerpted from my curriculum in my Nutrition and Fitness Consultant certification, AFPA Fitness

Eight benefits of a healthy gut microbiome.

When you eat a meal, your stomach and small intestine will inevitably struggle to digest certain compounds within it. This is where microbes come into the picture. Many varieties work to break down the particles in your food, which helps your system extract the vitamins and nutrients it contains.

However, these bacteria do even more for your health. Below are some of the most significant benefits of maintaining a well-functioning microbiome.

1. Maintains a healthy metabolism.

A balanced gut microbiome controls a variety of metabolic functions that aid digestion. For instance, gut bacteria help your system extract vitamins, synthesize amino acids, and process insoluble fiber and resistant starches. This gives your system the energy it needs to maintain a healthy metabolism.

2. Promotes a stronger immune system.

When your microbiome is populated with beneficial microbes, there’s less room for pathogens to establish themselves. Some kinds of bacteria also produce antimicrobial substances called bacteriocins that inhibit the growth of competing microbes. This is called the competitive-exclusion effect, and it helps promote a stronger immune system. A lacking microbiome can lead to problems, as young children with allergies often have different compositions of intestinal bacteria than their peers who don’t.

3. Improves heart health.

A well-balanced gut microbiome can improve your heart health. One study of 1,500 people found that their digestive bacteria influenced their “good” HDL cholesterol and triglyceride levels, which affected the functioning of their cardiovascular system. Likewise, certain pathogenic microbes produced trimethylamine N-oxide (TMAO), a compound that can build up and block arteries, potentially triggering heart attacks and contributing to heart disease.

4. Controls the Gut-Brain Axis.

Your stomach and brain have a direct connection known as the gut-brain axis. This communication system impacts the signaling between the two organs, and it also creates a potential pathway for digestive bacteria to influence the brain, and vice versa. Recent research reveals that stress and depression affect the makeup of your gut microbiota, and its functioning will affect your mood.

5. Reduces the risk of weight gain.

The type of bacteria that reside within your gut impact your risk of obesity and other metabolic conditions. A 2014 study revealed that your genetics play a role in what bacteria are in your stomach and that some types are found more often in thinner people. For instance, Christensenellaceae minuta (a strain of bacteria influenced by genes) is more common in those with low body weight. Even more revealing, tests with mice suggest that introducing this type of bacteria into the digestive system can cause you to gain less weight and potentially prevent obesity.

Likewise, a lack of bacteria in the large intestine can slow down the activity of brown fat, which can cause you to burn fewer calories and gain weight. The evidence is still forthcoming about the direct relationship between gut bacteria and obesity, but the connection is worth exploring further.

6. Plays a role in Autism Symptoms.

Autism research today seemingly introduces more questions than answers, but the role of gut bacteria is gaining extra scrutiny. A 2013 study found that children with autism had lower levels of three types of digestive microbes (Prevotella, Coprococcus,and Veillonellaceae) than other children. Likewise, the concentrations of byproducts produced by specific types of gut bacteria in the fecal material of autistic children were statistically different than those without it. This leads researchers to speculate that gut microbes make a significant impact on the connection between the gut and the brain, and potentially affect brain functioning.

7. Affects Cancer development and treatment.

Recent research shows a strong link between gut bacteria and cancer. A 2013 study shows that the presence of Lactobacillus johnsonii in the intestines might impact your risk of developing lymphoma. Further research shows that the gut bacteria Helicobacter pylori might deactivate your immune system’s ability to regulate inflammation, potentially triggering ulcers and stomach cancer. Likewise, other reports have found that certain strains of gut bacteria can improve the effectiveness of cancer treatment like chemotherapy.

8. Plays a role in mental health.

Gut bacteria is a factor in your mental state, as the microbes produce a variety of neurochemicals that are used to regulate your brain’s physiological and mental state. According to reports from the American Psychological Association, 95% of your body’s serotonin supply (a compound that affects mood and happiness) is produced by gut bacteria.

How to promote a healthy microbiome.

How can you improve your digestive system’s bacterial levels? While most healthy people have relatively similar microbiomes, your lifestyle, environmental exposures, and diet will all make a difference in its precise makeup. While there is still a lot to learn about what influences your digestive microbial makeup, research shows that one of the best ways to work towards improvements is changing what you eat.

Optimal diet for better gut health.

If you’re ready to make a positive change for your microbiome, your diet is the best place to start. Every meal presents a new opportunity to affect your intestine’s microbe population, so follow these suggestions to keep it filled with beneficial microbes.

Balance your Microbiome for better health.

The state of your digestive system has wide-reaching consequences for your health, which is why monitoring your microbiome is essential for optimal wellness. By paying attention to what you eat and how it makes you feel, you can encourage the presence of good gut bacteria. Taking time to build awareness about what works for your body will benefit you in a multitude of ways.

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