Your Body's Microscopic Ecosystem

SIH Second Act members recently listened to a health coach talk about gut health. Our digestive system is a remarkable system, more about that in the next issue. First, we learned about some chemistry within our bodies.

What is the microbiome?

Your body is home to trillions of microorganisms that play a crucial role in overall health. The microbiome, comprising bacteria, fungi, and viruses, is more than just a passive inhabitant—it's an active participant in your body's complex systems.

Surprisingly, 99% of your body's genetic material is microbial, making these tiny organisms more unique than your fingerprint. They perform essential functions that keep you healthy, including breaking down nutrients, protecting against harmful pathogens, regulating immune responses, and even influencing mood and metabolism.

A healthy microbiome begins at birth, primarily established through vaginal delivery, breastfeeding, and early environmental exposure. By age three, your microbiome is largely set, but it can be continuously influenced by diet and lifestyle. To maintain a robust microbiome:

Eat a diverse, fiber-rich diet
Consume fermented foods like yogurt and sauerkraut
Limit antibiotic use
Reduce processed food intake
Manage stress
Stay hydrated
Avoid excessive antibacterial products

The microbiome's functions are remarkable. It helps digest food, synthesize vitamins, protect against infections, regulate blood pressure, and even convert potentially harmful substances into usable nutrients. Some microbes can adapt to extreme environments, demonstrating their incredible resilience.

Understanding and nurturing your microbiome is key to overall health. By making informed dietary and lifestyle choices, you can support these microscopic allies that work tirelessly to keep you functioning optimally. Your microbiome is not just a collection of organisms—it's a dynamic, living system that plays a fundamental role in your well-being.

Functions of the Microbiome

Breaks down proteins and nutrients
Increases mineral absorption·
Protects teeth and gums
Regulates colon movement
Balances digestive tract pH
Supports immune system function
Helps convert toxins
Influences blood pressure and cholesterol levels