Hey there,
Every day, your body comes into contact with things that would be perfectly happy to move in.
Bacteria.
Fungi.
Microscopic organisms.
And, depending on where you live or travel, parasites that can arrive through food, water, soil, animals, or insect bites.
Fortunately, getting to your body and getting inside your body are two very different challenges.
You come with security.
Your skin is the front door
Healthy, intact skin is surprisingly difficult to get through.
That matters because some organisms, including certain hookworm larvae, can enter through exposed skin after contact with contaminated soil.
Cuts, bites, and damaged skin create easier entry points.
Which makes basic things like shoes, wound care, and insect protection more useful than they sound.
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Your stomach is a rough neighborhood
Anything swallowed still has to survive stomach acid.
That highly acidic environment helps destroy many organisms arriving through food and water.
Some are better equipped for the journey.
Certain intestinal parasites and microbes have life stages designed specifically to survive long enough to reach the gut.
Evolution came prepared.
Mucus does more than annoy you
Your nose, lungs, and digestive tract are lined with mucus that can trap foreign material before it gets deeper into the body.
Tiny hair-like structures in your airways also help move trapped material back out.
Think microscopic conveyor belt.
Then your immune system takes over
If something makes it through those barriers, immune cells can recognize, attack, contain, or help remove it.
Parasites present an especially interesting challenge because many have evolved clever ways to avoid detection, change their surface proteins, or interfere with immune responses.
It’s an ongoing biological arms race.
That’s also why prevention can matter so much.
Wash produce.
Cook food properly.
Use safe water when traveling.
Wear shoes where soil contamination is a concern.
Stay on top of flea and tick prevention for pets.
Use insect protection when the situation calls for it.
Your body already has an impressive defense system.
A few boring habits simply make its job easier.
—Gabi & Bea
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