Skin Bacteria Shield: How It Protects Your Body
Chapter 1

The autopilot of your inner universe

Chapter 2

The body's internal construction crew

Chapter 3

The microscopic ecosystem keeping you alive

Chapter 4

Survival mode and extreme adaptations

Ch 3 · The microscopic ecosystem keeping you alive
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007skaty Gut microbes train the human immune system

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007skaty Thymic T Cell Selection

Ninety-eight percent fail, ninety-eight percent fail! Only the safe ones prevail!

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007skaty The microscopic bacterial community living inside the human digestive system.

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The trillions of tenants in your gut

007skaty These microbes break down complex carbohydrates into short-chain fatty acids and synthesize vital nutrients like vitamin K and B vitamins.

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The second brain in your stomach

007skaty The enteric nervous system connects millions of digestive neurons directly to your brain.

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Skin Bug Buddies
BETA

007skaty Match friendly microbes to skin zones to discover how they keep your body healthy.

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Fun Fact

Microbe weight: Did you know that the trillions of bacteria living inside your gut weigh about 2 to 5 pounds in total?

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Glossary
microbiome (noun)
The community of microorganisms, such as bacteria, fungi, and viruses, that inhabit a particular environment. In 2007, the National Institutes of Health launched a landmark project to map these essential human microbes.

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Gossip

Would you drink a bacteria-filled yogurt?

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Quiz

What crucial vitamin, essential for blood clotting, is primarily produced for us by bacteria in our gut?

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007skaty The enteric nervous system acts as a second brain in the gut.

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Quiz

Approximately how many microbial cells live inside and on the average human body?

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007skaty The protective ecosystem of microbes living on human skin

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Quiz

Approximately what percentage of the body's mood-regulating neurotransmitter serotonin is produced in the gut?

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Quiz

Which major nerve acts as the primary communication highway between your gut's nervous system and your brain?

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Quiz

How does the natural pH of healthy human skin help defend against dangerous bacterial invaders?

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Quiz

What is the scientific name of the common, beneficial skin bacterium that helps protect us from harmful pathogens?

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Quiz

Where is the majority of the human body's active immune system cells physically located?

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Quiz

What medical hypothesis suggests that lack of early childhood exposure to microbes can lead to increased allergies?

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