The FDA's 2025 pulse oximetry guidance introduces stricter accuracy standards, larger study cohorts, and objective skin pigmentation assessment to address measurement bias in darker-skinned patients.
COVID-19 infection significantly increases autoimmune blistering disease risk, while vaccination appears protective, researchers report in a study analyzing 112 million patient records
Researchers examined systemic absorption, metabolism, and excretion of tattoo ink tracers, providing evidence for a cutaneous first-pass effect and measuring systemic exposure levels.