Head lice are a common issue, especially among children, causing itching and discomfort. These insects spread through direct contact and shared items. Treatment options include medicated shampoos and ...

The ability to stand on two feet and manage the heat allowed Homo erectus to roam further and hunt more efficiently. Thus ...

Researchers have found that combining scalp cooling treatment with antioxidants can significantly reduce or even prevent the ...

Each of the approximately 100,000 follicles on the human scalp operates independently, cycling through three distinct phases: anagen (active growth), catagen (transitional phase), and telogen ...

Humans have scalp hair. But why is human scalp hair so varied? Biological anthropologist Tina Lasisi wanted to find out. And while completing her PhD at Penn State University, she developed a ...

The first gene mapping study on human scalp hair whorls not only shows that hair whorl direction has a genetic basis, but also that it is affected by multiple genes. Four associated genetic ...

Humans are a bit weird, all things considered. We’re bipedal, which is already pretty strange; our brains and heads are outsized to a degree that literally causes us pain; and to top it all off ...

Hair whorls are an easily observed human trait. Scalp hair whorl pattern is typically defined by either a single or double whorl and the direction of the whorl direction (clockwise ...

Human scalp hair as a thermoregulatory adaptation. Proceedings of the National Academy of Sciences , 2023; 120 (24) DOI: 10.1073/pnas.2301760120 Cite This Page : ...

Humans evolved in Equatorial Africa—where the sun is often overhead throughout the year, meaning the scalp receives more levels of solar radiation. And hair texture may have been important in ...