Miért nem termelődik fülzsír a fülemben?

Lehetséges, hogy távol-keleti vagy indián vagy.

"There are two distinct genetically determined types of earwax: the wet type, which is dominant, and the dry type, which is recessive. While East Asians and Native Americans are more likely to have the dry type of cerumen (gray and flaky), African and European people are more likely to have the wet type (honey-brown to dark-brown and moist)."

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