(WEBMD) – Black women who like to wear their hair pulled back tightly may be increasing their risk of hair loss, new research suggests.
A team of researchers from Johns Hopkins School of Medicine in Baltimore reviewed 19 studies and found a "strong association" between scalp-pulling hair styles and traction alopecia, which is gradual hair loss from damage to the hair follicle from tension at the hair root.
Traction alopecia is the most common type of hair loss among black American women, affecting about one out of three, the researchers said.
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The study did not prove a definitive cause-and-effect connection. But, styles linked with this type of hair loss include braids, tight ponytails, dreadlocks, weaves and extensions, especially if hair has been chemically straightened, the review said.