Kincora Therapy Centre’s Facebook Wall 2015-04-04 08:18:23

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The Earwax Post!

What Is Earwax (Cerumen)? What Is Earwax Impaction? http://bit.ly/13Rj3Ab

The Good, the Bad and the Eww of Earwax Removal: http://on.wsj.com/13TQItk

Earwax Type: The Myth (full post dispelling the following myth here: http://bit.ly/16phB7N )

Some people have earwax that is wet, sticky and yellow or brown; other people's earwax is dry, crumbly and grayish. Variation at a single gene determines which kind of earwax you have; the allele for wet earwax is dominant over the allele for dry earwax. The allele for dry earwax appears to have originated by mutation in northeastern Asia about 2,000 generations ago, then spread outwards because it was favored by natural selection. It is very common in eastern Asia, becomes much less common towards Europe, and is very rare in Africa.

Earwax type is not used very often to illustrate basic genetics, but unlike most human characters that are used (tongue rolling, attached earlobes, etc.), it really is controlled by a single gene with two alleles. (full post dispelling the myth here: http://bit.ly/16phB7N )

Earwax Blockage: Alternative Medicine: http://mayocl.in/ZFZqaI