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In this issue, we take a closer look at the reliability of artificial intelligence (AI) chatbots as a source of health information. We explore public opinion on chatbot accuracy based on KFF surveys and highlight recent examples of AI-generated election misinformation in the news. In addition, we share our firsthand experience querying AI chatbots on health topics and discuss research on gaps in safeguards.

In 2024, Affordable Care Act (ACA) Marketplace enrollment hit a new record high, reaching over 21 million people. This policy watch discusses the the factors contributing to the increased enrollment in the fastest growing marketplaces.

The states with the fastest recent growth in ACA Marketplace signups also had among the highest uninsured rates previously, as enhanced subsidies helped to make coverage more affordable for many consumers, particularly in southern states that did not expand their Medicaid programs to cover low-income adults, a new KFF analysis…

Medicare Advantage plans denied 3.4 million prior authorization requests for health care services in whole or in part in 2022, or 7.4% of the 46.2 million requests submitted on behalf of enrollees that year. The volume of prior authorization requests, the share denied, the share of denials that were appealed, and the share that were overturned upon appeal varied across Medicare Advantage insurers.

Our Programs KFF has five major program areas: Policy Analysis, Polling, Journalism, Public Health Information Campaigns, and the Health Misinformation and Trust Initiative Policy Analysis Larry Levitt oversees the work of all KFF health policy analysis teams. Affordable Care Act (ACA) Examining changes in the private insurance market under the…

This analysis examines the recent growth of Medicare Advantage as a share of hospital inpatient days. Medicare Advantage rose from 13% to 23% of all inpatient days from 2015 to 2022, although there was wide variation among hospitals.

This edition focuses on intentionally false or misleading information online and its potential impact on public trust in health care. We share a recent report that exposed a covert U.S. military social media disinformation campaign in the Philippines that may have undermined public confidence in vaccines. We also examine how false claims about sunscreen and non-FDA-approved “miracle cures” may be discouraging people from taking important preventative measures and seeking legitimate medical treatment. Finally, we explore the rise of counterfeit diabetes and weight-loss drugs like Ozempic and the potential impact on trust in the pharmaceutical supply chain.

This fact sheet provides information on key HIV testing statistics, testing recommendations as advised by the U.S. Centers for Disease Control and Prevention (CDC), insurance coverage of HIV testing, testing sites and policies, and types of tests available.

The side-by-side comparison tool provides a quick overview of former President Trump’s and Vice President Harris’ records, positions, public statements, and proposed policies on a range of key health care topics.

This Health Policy 101 chapter explores the federal government’s role in health policy for the fragmented U.S. health care system. It examines the impact of the three federal branches and goes into further detail about the Department of Health and Human Services structure and the major congressional committees dealing with health care. It also briefly outlines the federal budgetary and regulatory process.