How Important is Hair, Anyway?
Geneticist Angela Christiano has long, thick hair now. But she knows what it’s like to suffer from hair loss because she has a disease called alopecia areata. “You know, you don’t realize how important your hair is until you start to lose it. So for me, when my hair started falling out in circles when I had alopecia areata and it was active, it was completely terrifying.” After that experience, Christiano, professor of dermatology and genetics at Columbia University, devoted her career to hair research. In a paper published in Nature Genetics, she and colleagues presented their research on the cause of a type of curly hair called wooly hair. This type of hair is not the normal curly hair seen in people of Black African ancestry but especially brittle curls that appears rarely in people of Caucasian and Asian descent. People with this disorder have hair that breaks easily and this sometimes leads to baldness. “It’s difficult to wash, when you try to comb it or blow dry it, or style it,
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