Name: The Bugs That Lay Eggs In Your Face
Uploaded: 2020-10-29T18:10:18.000Z
Duration: 3 min 16 s
Description: Thousands of YouTube videos with English-Chinese subtitles! Now you can learn to understand native speakers, expand your vocabulary, and improve your pronunciation...

- [Narrator] There's a creature scurrying

and at some point, maybe now, maybe in a few days,

it's going to find a nice cozy pore in your skin

Meet the face mites. They're smaller than a grain

of sand, are a kind of arachnid like spiders,

and they feast on the oil and cells in your skin,

particularly on your oily nose, cheeks, and forehead.

Scientists suspect they've been living on us

since the dawn of humanity over 200,000 years ago,

and today, studies suggest practically every adult

Odds are you've been living with them your whole life.

Babies quickly get them from their parents

a few days after birth, and once those face mites

are on you, the only thing they enjoy as much

as slurping oil and nutrients from your pores is

into your pores where they lay their eggs.

The first species, called Demodex folliculorum,

while the second prefers nesting in your sebaceous glands.

And in under two weeks, the babies hatch,

leaving behind a pile of decomposing corpses.

but you'll never eradicate them completely

because even if you treat them with antibiotics,

You'll pick them up from towels, pillows,

They only become a problem when they multiply

out of control. This can happen in people

It's also been seen in people with a painful skin

Normally, you'll have around one or two mites

but one study found that people with rosacea

Researchers can actually study your face mites

You see, most mites often stay within a community.

So over time, they've evolved into distinct lineages

in different geographic regions, and by comparing

their DNA, scientists can trace how different groups

For example, a study found that European mites

genetically diverged from East Asian mites

That's the same time European and East Asian humans

So when it comes down to bugs crawling all over you,

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The Bugs That Lay Eggs In Your Face

immune

enormous

completely

evolve