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: Gingerphobia
Famous quotes containing the words red hair, red, hair, pathological and/or origin:
“With the old kindness, the old distinguished grace,
She lies, her lovely piteous head amid dull red hair
Propped upon pillows, rouge on the pallor of her face.
She would not have us sad because she is lying there,
And when she meets our gaze her eyes are laughter-lit,
Her speech a wicked tale that we may vie with her....”
—William Butler Yeats (1865–1939)
“Poverty was an ornament on a learned man like a red ribbon on a white horse.”
—Anzia Yezierska (c. 1881–1970)
“He may have hair upon his chest
But, sister, so has Lassie.”
—Cole Porter (1891–1964)
“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)
“In the woods in a winter afternoon one will see as readily the origin of the stained glass window, with which Gothic cathedrals are adorned, in the colors of the western sky seen through the bare and crossing branches of the forest.”
—Ralph Waldo Emerson (1803–1882)