Photo by OpenStax College via Wikimedia Commons Researchers at the University of California, Riverside School of Medicine have identified previously unrecognized immune surveillance structures within hair follicles that may fundamentally change the concept of cutaneous barrier defence. The murine study, published in Frontiers in Cell and Developmental Biology, reveals M cell-like sentinel cells in hair follicle epithelium that appear to monitor environmental microbial exposur

The results of a small study indicate that third-hand smoke (THS)—the incinerated particles of smoke that settle on clothing and other...