What Is Gut Health? | The Relationship Between Gut Flora and the Gut Environment
“Gut health” refers to lifestyle habits and practices involving diet and exercise that aim to improve the gut environment. More than 100 trillion bacteria live in the gut, and the ecosystem formed by these bacteria is called the “gut flora” (gut microbiota).
A well-balanced gut flora is thought to support smooth digestion and absorption and contribute to managing overall health. Gut health practices aim to balance the gut flora by creating an environment in which beneficial bacteria can thrive.
- Lifestyle habits in general that help support a healthy gut environment
- A diet that takes the balance of gut flora (gut microbiota) into account
- Habits related to exercise and sleep quality
Why Gut Health Is Getting Attention | Modern Life and the Gut Environment
Changes in diet, ongoing stress, and lack of exercise are said to make beneficial gut bacteria decline and harmful bacteria increase. As a result, some people may notice changes in their digestion or skin. Against this backdrop, gut health has drawn interest among people focused on health and beauty.
How Gut Flora Works | Beneficial, Harmful, and Opportunistic Bacteria
Gut flora consists of three groups: beneficial bacteria, harmful bacteria, and opportunistic bacteria.
| Type of bacteria | Characteristics |
|---|---|
| Beneficial bacteria | Are considered to play a central role in supporting a healthy gut environment |
| Harmful bacteria | Are said to have undesirable effects if they become too numerous |
| Opportunistic bacteria | Tend to take on either role depending on the condition of the gut |
As a general guideline, a balance of about 20% beneficial bacteria, 10% harmful bacteria, and 70% opportunistic bacteria is often considered ideal. Maintaining this balance is one of the aims of gut health practices.
Changes People Commonly Look for Through Gut Health Practices
Some people who practice gut health habits say they notice changes such as those listed below. Experiences vary from person to person depending on factors such as constitution and lifestyle.
Digestive Health
Consuming fiber and fermented foods regularly is said to promote intestinal peristalsis and help you feel less bloated and more comfortable.
Awareness of Skin and Overall Health
The gut is said to contain many of the body’s immune cells, and the gut environment is thought to be linked to overall health. A balanced gut flora can also be one reason to pay more attention to the condition of your skin.
Links to Mood and Sleep
The gut is sometimes called the “second brain,” and much of the serotonin involved in mood is believed to be produced in the gut. The relationship between the gut environment and mood and sleep quality is an area of ongoing research.
Gut Health Basics You Can Start Today
Rather than doing anything special, you can begin caring for your gut by gradually making changes to your daily routine.
- Diet: Make a point of including dietary fiber (such as vegetables, fruit, and seaweed), fermented foods (such as yogurt, natto, kimchi, and miso), and oligosaccharides (such as bananas, onions, and burdock root)
- Exercise: Build a habit of moving your body, such as walking or doing light stretches
- Sleep and stress management: Maintain a regular sleep schedule and find relaxation techniques that work for you
There’s no need to aim for perfection from the start. The key is to begin with manageable habits you can stick with, such as eating yogurt every day or adding one more serving of vegetables.
Things to Keep in Mind When Practicing Gut Health Habits
When you first start, you may notice temporary changes in your digestion. Gradually increase your intake of fiber and fermented foods, remember to stay hydrated, and adjust based on how your body responds.
What works for you may depend on your constitution and any preexisting conditions. If you have concerns or notice anything unusual about your health, consult a doctor or registered dietitian rather than relying solely on your own judgment.
Summary
Gut health practices involve gradually improving lifestyle habits such as diet, exercise, and sleep while paying attention to the balance of your gut flora. Rather than expecting major changes right away, it’s important to find an approach that works for you and stick with it at a comfortable pace.