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The secret to rosacea: mite poop in you pores

By | September 5, 2012, 11:30 AM PDT

There are a few perks typically associated with age: diminished concern over the judgement of others, greater self-control, a deeper appreciation of close relationships, and, an end to the acne that plagues most adolescents and twenty-somethings.

Unfortunately, a sizable percentage of the world’s population misses out on that last perk of clear skin. They suffer from rosacea, red blotchy facial skin with no known cause and no known cure.

No known cause, that is, until Irish researchers recently published an article in the Journal of Medical Microbiology. They point a finger at tiny mites that inhabit our faces. TIME.com reported yesterday:

The little eight-legged mites called Demodex, which are related to spiders, are apparently drawn to the hair follicles of eyebrows and eyelashes and to the oily pores on your nose, forehead and cheeks. They feed on the oil, or sebum, in your skin, and according to an article in New Scientist, they crawl around your face at night to mate, then crawl back into your pores to lay eggs and die.

The mites are born without an anus, so everything they eat stays in them until they curl up and die in your pores. Their bodies decompose, releasing their full lifespan of waste into your skin. (Yes, you’re welcome.)

It appears that people with rosacea have more than the typical load of these rotting bugs. Again TIME.com explains:

Normally, adults have about one or two mites per square centimeter of facial skin, but those with rosacea may have 10 times as many, according to [one of the article's authors]. The stress that often triggers rosacea flare-ups may do so by changing the makeup of your facial oils, making it more delectable to the mites.

The researchers suggest that rosacea arises as a reaction to bacteria in the mites’ feces. They’re now working to produce antibodies to that bacteria’s proteins, which could offer a promising new treatment option for rosacea sufferers.

[via TIME.com and NewScientist]

Photo: Tomasz Przechlewski/Flickr

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Audrey Quinn

About Audrey Quinn

Audrey Quinn is a contributing editor for SmartPlanet.

Audrey Quinn

Audrey Quinn
Contributing Editor

Audrey Quinn is a multimedia science journalist based in Brooklyn, New York. She has corresponded for PRI's The World, Radiolab, Deutsche Welle's Living Planet, and a number of NPR affiliate stations. She also produces and hosts a podcast for the Mind Science Foundation. Previously, she performed neuroscience research at the University of Washington Autism Center and the Seattle VA Hospital.

Follow her on Twitter.

Audrey Quinn

Audrey Quinn

Audrey does not have financial holdings that would influence how or what she covers.

She writes for SmartPlanet and is not an employee of CBS.

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My sympathies, Audrey...
Couldn't be the article you most wanted to write.

Pardon me, I have to go wash my face...
Posted by Lightning Joe
5th Sep
0 Votes
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re: My sympathies, Audrey
Actually, I really enjoy writing about the gross but real science that underlies our daily lives. But sympathies appreciated!
Posted by Audrey Quinn
6th Sep
0 Votes
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like gag me
but very cool to know .thanks for the info. an yea it is a dirty job but some one has too.
Posted by sarai1313@...
5th Sep
0 Votes
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Just Wondering
I'm sure the search for an anti-result drug for the reaction will be engrossing but in the meantime how about a treatment to minimize the number of the little buggers?
Posted by Spookster
6th Sep
0 Votes
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Selsen Blue
Just wash your hair & face every day with Selsen Blue. Works for me. My Doctor told me about this.
Posted by jasbond
6th Sep
0 Votes
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Well maybe
It runs in my family. Do we produce too much sebum?
I've use d Metronidazole Cream daily for the 15-20 years since I was diagnosed. No further problem.
Posted by Mojak66
6th Sep
0 Votes
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who needs ghost stories?
Oh I though I knew how to gross people with Medical procedures but you know I stand corrected, now I have something new to use to gross my friend out about the real world.

Great article.
Posted by Kiljoy616
7th Sep
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