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Gut Health-Why it Matters

  • Writer: Dr. Thomas Bailey, MD
    Dr. Thomas Bailey, MD
  • Aug 13
  • 3 min read

When most people think about prevention, they picture vaccines, blood pressure checks, and cholesterol screenings. While those are essential, there’s another powerhouse of preventive health that’s getting more attention these days—your gut.


illustration of the human intestinal tract


Your digestive system does far more than just break down food. It houses trillions of bacteria, fungi, and other microorganisms, called the gut microbiome. These bacteria influence your immune system, hormone balance, and even your mood. When your gut is healthy, it can even help protect you from chronic illnesses. But when it’s out of balance, it may contribute to inflammation, digestive issues, and a higher risk of disease.



A healthy gut can:


  • Support your immune system 

  • Reduce inflammation – a balanced gut microbiome helps control inflammatory processes, with inflammation increasingly being linked to the development of heart disease, diabetes, and arthritis.

  • Promote mental well-being – An unhealthy gut can allow microbial components to get into the circulation and trigger neurological inflammation. This can contribute to the development of depression and anxiety.

  • Aid nutrient absorption – Proper digestion ensures you get the vitamins and minerals your body needs.



Practical tips for a healthier gut


The good news is that small, consistent steps can make a big difference. Here’s how to start:



a plate of healthy foods
  1. Eat More Fiber-Rich Foods

Vegetables, fruits, beans, and whole grains feed the “good” bacteria in your gut. This is what is known as "prebiotics". Make sure to include a variety of colors on your plate each day.



  1. Incorporate Fermented Foods

Yogurt with live cultures, kefir, sauerkraut, kimchi, and kombucha naturally boost

beneficial bacteria. They contain the live microorganisms that are commonly referred to as "probiotics".


  1. Cut Back on Processed Foods

high calorie and highly processed foods

This is an important one! Highly processed and high-sugar foods can disrupt the balance of your microbiome and promote inflammation, which is suspected of leading to chronic diseases like cancer and heart disease.




  1. Stay Hydrated

Water helps move food and waste smoothly through the digestive tract.


  1. Manage Stress

Chronic stress can negatively impact digestion. Practices like walking, deep breathing, or yoga can help.


  1. Sleep Well

a woman sleeping

That 7-8 hours of sleep at night is not only important to help you function with a clear head the next day. Good-quality sleep also supports a balanced microbiome and allows your body to repair itself.








So what about taking supplements to help?


The gut health supplement business is a billion dollar per year industry, and growing each year. With all the talk about the importance of gut health, you are bound to see something or someone telling you which supplement you need.

But the truth is that there have not been enough high quality studies that prove a benefit of taking probiotic supplements other than in the following conditions:


  1. prevention of antibiotic associated diarrhea

  2. certain forms of irritable bowel syndrome (IBS)

  3. pouchitis (inflammation of a pouch of the intestines created during surgical removal of a part of the colon).


The lack of standardization across different supplements, which vary in dosing, formulation, etc., make it hard to study their benefits reliably across large groups of people. Furthermore, regulatory issues limit quality control.


To sum it up: you are best to keep your gut bacteria healthy by eating a diet consisting of fiber rich foods and following the above lifestyle changes, rather than relying on a daily supplement with uncertain benefits.



How Direct Primary Care Supports Gut Health


In our DPC model, you’re not rushed through a 10-minute appointment. We take the time to:


  • Review your symptoms in depth.

  • Order targeted and specialized labs when needed

  • Create personalized nutrition and lifestyle plans.

  • Monitor your progress over time and adjust your plan as needed.


Because you have unlimited access to your doctor through visits, calls, and messages, we can catch and address small issues before they grow into big problems.


If you’d like to discuss your gut health or prevention plan, reach out to schedule a visit—we’d love to help you get started.


Dr Tom Bailey talking with a patient


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