Seniors with Medicare Advantage scrambling as market dramatically shrinks UnionLeader.comWhy fewer seniors are expected to enroll in Medicare Advantage next year — and opt for original Medicare instead MSNUS health insurers reduce Medicare Advantage operations in 2026 ReutersMedicare Advantage enrollment expected to fall in 2026 as insurers cut back on unprofitable plans CNBCArticle | The Medicare Advantage exodus grows POLITICO Pro