The myth that people with tightly coiled hair can't get lice is a common misconception, according to an expert. Dermatologist Dr. Michelle Henry told Insider lice can exist on all hair types and ...

A fluorescent image of a human body louse with Yersinia pestis infection — that's the cause of the plague — depicted in orange/red in the glands. The plague — which in the mid-14th century was also ...

Lice checks were a dreaded part of my childhood — I remember anxiously waiting for the nurse to call my name for a checkup, hoping a call home wouldn’t follow (sometimes, I wasn’t so lucky). Head lice ...

Discovering head lice can be a shock. But while these tiny parasites can make your scalp itchy, they don’t directly cause hair loss. Causes of hair loss may include stress, extreme scratching, or a ...

The Black Death killed tens of millions of people in the mid-1300s, but scientists and historians are still trying to figure out how it spread. Wellcome Images via Wikimedia Commons under CC BY 4.0 ...

Rats and their fleas take the rap for spreading the plague, but lice that infest people may share the blame. Human body lice can harbor plague-causing bacteria and can transmit the disease by biting, ...

A new laboratory study suggests that human body lice are more efficient at transmitting Yersinia pestis, the bacterium that causes plague, than previously thought, supporting the possibility that they ...

(plague | National Institute of Allergy and Infectious Diseases) The plague — which in the mid-14th century was also known as the Black Death — devastated swaths of Europe, killing millions in under a ...