UNIVERSITY PARK, Pa. — Treating hair loss may be as simple as developing therapies to flip a molecular “switch,” according to a new study by researchers from Penn State; the University of California, ...

Setup of the laser speckle contrast optical spectroscopy system used to monitor scalp and brain blood flow during temporary blockage of a major scalp artery near the temple. WASHINGTON, Oct. 21, 2025 ...

Thinning manes and those first pesky strands of gray hair usually appear in middle age – but the cellular groundwork is laid long before then. According to groundbreaking research mapping human hair ...

Hair has long been fundamental to what makes us human, playing a central role in how we shape our identity. But there is no one-size-fits-all approach to caring for it. According to some hair care ...