Red Hair of Pathological Origin
Most red hair is caused by the MC1R gene and is non-pathological. However, in rare cases red hair can be associated with disease or genetic disorder:
- In cases of severe malnutrition, normally dark human hair may turn red or blonde. The condition, part of a syndrome known as kwashiorkor, is a sign of critical starvation caused chiefly by protein deficiency, and is common during periods of famine.
- One variety of albinism (Type 3, aka rufous albinism), sometimes seen in Africans and inhabitants of New Guinea, results in red hair and red-colored skin.
- Red hair is found on people lacking pro-opiomelanocortin.
Read more about this topic: Fantapants
Famous quotes containing the words red, hair, pathological and/or origin:
“Who dreamed that beauty passes like a dream?
For these red lips, with all their mournful pride,
Mournful that no new wonder may betide,
Troy passed away in one high funeral gleam,
And Usna’s children died.”
—William Butler Yeats (1865–1939)
“Rich she shall be, that’s certain; wise, or I’ll none; virtuous, or I’ll never cheapen her; fair, or I’ll never look on her; mild, or come not near me; noble, or not I for an angel; of good discourse, an excellent musician, and her hair shall be of what color it please God.”
—William Shakespeare (1564–1616)
“A pathological business, writing, don’t you think? Just look what a writer actually does: all that unnatural tense squatting and hunching, all those rituals: pathological!”
—Hans Magnus Enzensberger (b. 1929)
“The real, then, is that which, sooner or later, information and reasoning would finally result in, and which is therefore independent of the vagaries of me and you. Thus, the very origin of the conception of reality shows that this conception essentially involves the notion of a COMMUNITY, without definite limits, and capable of a definite increase of knowledge.”
—Charles Sanders Peirce (1839–1914)