Top Stories of the Day: India’s Population Nearly Half Exposed to Unsafe Air Levels USFDA Approves Ketamine Hydrochloride for Surgical Pain Management Sinus Surgery Outperforms Antibiotics in Treating Chronic Rhinosinusitis Two-Stage Microarray Pimple Patch Shows Rapid and Effective Acne Clearance What measures can address unsafe air quality impacting nearly half the population?