Health Lead story The dental lead apron was comfort before it was evidence A myth-vs-evidence health essay arguing that routine dental lead aprons and thyroid collars made sense as a visible safety ritual, but modern dental radiography safety now depends more on justified imaging, collimation, positioning, and avoiding retakes than on shielding patients by default.
Health Jun. 13 A car seat works only when the vehicle and the child both fit An annotated viewing of NHTSA's forward-facing car-seat installation video, arguing that child passenger safety is a fit problem: the right stage, the right belt path or lower anchors, a top tether when forward-facing, a snug harness, back-seat placement, and inspection support all have to work together.
Health Jun. 13 A poison center turns panic into triage before the ambulance is the default A causal-mechanism explainer arguing that poison centers work by converting uncertain exposures into fast triage: expert phone advice keeps low-risk cases safely at home, routes dangerous cases to care, and turns call patterns into public-health surveillance.
Health Jun. 13 Chlorhexidine cord care works only when the risk is at the stump A causal-mechanism explainer arguing that chlorhexidine cord care is not a universal newborn ritual: it works by lowering bacterial entry at the fresh umbilical stump, especially where harmful cord applications or high infection pressure make clean, dry care insufficient.