50 According to recent estimates, more than 70 million people worldwide have suffered from autism, and the overall estimated prevalence is between 1.5% and 2%
Licensed alternatives for weight management, including semaglutide (Wegovy) and liraglutide (Saxenda), are available through regulated NHS and private pathways following NICE appraisal

Already in effect (January 1, 2026): Standard PA decisions within 7 calendar days (down from 14) Urgent PA decisions within 72 hours Specific denial reasons required on every denial (not just not medically necessary) Applies to Medicare Advantage, Medicaid managed care, CHIP, and ACA Marketplace plans Coming March 31, 2026: Payers must publicly report PA metrics for calendar year 2025: approval/denial rates, average decision times, and appeals outcomes Providers will be able to compare payer performance for the first time Coming January 1, 2027: FHIR-based Prior Authorization APIs required providers check PA requirements, submit requests, and receive decisions electronically through their EHR Expected to reduce average PA processing time from days to minutes for standard requests Medicare WISeR Model (live in AZ and WA): The Wasteful and Inappropriate Services Reduction pilot launched January 2026 in six states including Arizona and Washington

These substances are prohibited in sports by the World Anti-Doping Agency
A complete blood count (CBC), given as part of a routine physical examination, can provide some clues that vitamin B12 levels may be low
Many medical professionals deem it to be one of the most important vitamins