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 Message Boards » » Asian Earwax is Different Than Caucasian Page [1]  
smc
All American
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TELL THE PEOPLE

11/28/2010 12:21:49 PM

IMStoned420
All American
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racist

11/28/2010 1:17:28 PM

Spontaneous
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It's better at math?

11/28/2010 1:18:53 PM

smc
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Fear, stress and anxiety result in increased production of earwax from the ceruminous glands.[4][5]

There are two distinct genetically determined types of earwax: the wet type, which is dominant, and the dry type, which is recessive. East Asians and Native Americans are more likely to have the dry type of cerumen (grey and flaky), whereas Caucasians and Africans are more likely to have the wet type (honey-brown to dark-brown and moist).[6] Cerumen type has been used by anthropologists to track human migratory patterns, such as those of the Inuit.[7] The consistency of wet type earwax is due to the higher concentration of lipid and pigment granules (50% lipid) in the substance than the dry type (30% lipid).[3]

The difference in cerumen type has been tracked to a single base change (a single nucleotide polymorphism) in a gene known as "ATP-binding cassette C11 gene."[8] In addition to affecting cerumen type, this mutation also reduces sweat production. The researchers conjecture that the reduction in sweat was beneficial to the ancestors of East Asians and Native Americans who are thought to have lived in cold climates.[9]

http://en.wikipedia.org/wiki/Earwax

12/7/2010 10:49:52 PM

BJCaudill21
Not an alcoholic
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asians don't sweat?

12/7/2010 10:51:09 PM

AndyMac
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Why don't they just say European.

Caucasian is a normally inaccurate and oddly specific name for such a huge group.

12/7/2010 10:53:54 PM

Spontaneous
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Quote :
"WHERE

IS

CAUCASIA?"

12/7/2010 10:55:59 PM

AndyMac
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12/7/2010 11:08:28 PM

Spontaneous
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Asian earwax is yellow.

^ Thanks!

12/7/2010 11:08:58 PM

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