The Community Inside You

The human body hosts roughly thirty-eight trillion microorganisms — bacteria, fungi, and viruses — that together form what scientists call the microbiome. Dr. Jeffrey Gordon, a microbiologist at Washington University in St. Louis, spent decades demonstrating that these trillions of organisms don't just coexist with us. They sustain us. They digest our food, regulate our immune system, and even influence our mood through what researchers call the gut-brain axis.

But here is what's remarkable: no single species of bacterium can do this alone. Each organism contributes something the others cannot. When that microbial community is disrupted — through illness, poor diet, or prolonged antibiotics — the result is what doctors call dysbiosis. And dysbiosis doesn't just affect digestion. It has been linked to depression, autoimmune disorders, and chronic inflammation throughout the entire body.

The apostle Paul wrote to the Corinthians, "If one part suffers, every part suffers with it" (1 Corinthians 12:26). He was describing the church, but he might as well have been describing the microbiome. God designed both the human body and the body of Christ on the same principle: diverse members, each irreplaceable, each dependent on the others.

When you wonder whether your small contribution to your church community really matters, remember this: even the tiniest bacterium in your gut is keeping you alive. No member of the body is expendable. Your presence, your gifts, your prayers — they sustain the whole.