As states completed the “unwinding” of pandemic-era continuous coverage, Medicaid enrollment fell 7.6% in FY 2025 and is expected to be largely flat in FY 2026. At the same time, total Medicaid spending grew by 8.6% in FY 2025 and is expected to grow by 7.9% in FY 2026.

The ACA Marketplace Open Enrollment season began November 1, and with it comes looming changes to the enhanced premium tax credits, increases in out-of-pocket premium payments, new Marketplace eligibility rules, and more. Read our analysis of what these and other changes could mean for new and returning enrollees.

Explore frequently asked questions related to Medicare Open Enrollment, including Medicare Advantage, Part D, Medigap, and more.

This volume examines recent social media and AI policy changes; conflicting studies on COVID-19 vaccines and cancer; ACOG guidance on contraceptive misinformation; an alternative to the CDC’s MMWR; the Texas AG’s Tylenol lawsuit; and findings from a recent KFF Tracking Poll on trust in health care apps and websites that use AI.

This resource chronologically lists and briefly describes key actions taken by the Trump Administration through the Department of Health and Human Services that affect public health in the U.S. The actions are listed in the order in which they were first issued, reported or announced.