This JAMA Forum explores the question of whether, and to what extent, health insurance companies are to blame for high health care costs in the US.

This JAMA Forum discusses the unaffordability of health care in the US at the macro level, the true costs of employer-sponsored health insurance, and the expiration of the Affordable Care Act enhanced premium tax credits.

This JAMA Forum discusses the potential reasons why high drug prices get more attention in US society than high hospital prices.

This JAMA Forum discusses US health insurance, including the rise and fall of health maintenance organizations, consumer problems with insurance today, and the need for consumer protections.

This JAMA Forum discusses the cost of health care in the US for individuals covered by commercial insurance and for those covered by Medicare and Medicaid.

This JAMA Forum discusses the ramifications of the Republican tax and spending law and presents storylines that may be used in the next season of the television show The Pitt to illustrate these health care cuts and other related actions by the Trump administration.

This JAMA Forum discusses the uncertain aspects of Trump's agenda, including potential changes to the Affordable Care Act, abortion and reproductive health, prescription drugs and health care services, and immigration.

This JAMA Forum discusses the issues surrounding medical debt in the US and reflects on policy efforts made in recent years to solve some of the root causes.

This JAMA Forum discusses potential changes looming in 2025 under a Republican-controlled White House and Congress, such as allowing enhanced Affordable Care Act (ACA) financial aid to expire and cutting federal Medicaid spending.

This JAMA Forum discusses how the Affordable Care Act (ACA) ended the denial of coverage to people with preexisting conditions and the potential ramifications if the ACA is repealed or replaced in the future.

This JAMA Forum discusses the increasingly privatized public health insurance programs in the US and the current debates over payment reform and prior authorization.

This JAMA Forum discusses the viewpoints of the presidential candidates on the topics of Medicaid and the Affordable Care Act, abortion, and other health care issues.

This JAMA Forum discusses the complexity of the US health care system, including the types of coverage and many plans offered, denial or other problems accessing coverage, and confusion regarding explanations of benefits and billing issues.

It would be hard to find an aspect of the US health care system that has seemed more patently unfair than so-called surprise medical bills.Surprise bills happen when privately insured patients unintentionally receive care from out-ofnetwork hospitals or other facilities, physicians, or other clinicians.Patients can then be subject to out-of-network cost sharing and balance bills over and above what insurers are willing to pay.This cost sharing has occurred in about 1 of every 5 emergency department visits.

This JAMA Forum discusses prior health care reform attempts and one of the major provisions, the power of the government to negotiate the prices of some drugs in Medicare, of the Inflation Reduction Act.

This JAMA Forum discusses upcoming debt ceiling debates in the US Congress and potential cuts to entitlement programs within the context of the current wider reach of Medicaid than Medicare, Medicaid expansion under the Affordable Care Act, and the possible end to the COVID-19 public health emergency and a recession.

The COVID-19 pandemic, which has resulted in about 1 million deaths in the US and an unknown number of survivors with new chronic symptoms from long COVID, also has—perhaps ironically—brought changes to the US health care system that have made it more accessible and affordable for many.

During the 2020 Democratic presidential primaries, the big health care debate among candidates was over creating a universal “Medicare-for-all” system or a public option health plan available on a voluntary basis to anyone.

President-elect Biden proposed a sweeping set of health care initiatives during the campaign.The health care proposals included • Expanding testing for coronavirus disease 2019 (COVID-19), eliminating out-of-pocket costs for treatment, and providing additional pay and protective equipment for essential workers.• Increasing premium subsidies under the Affordable Care Act (ACA), capping premiums for all enrollees at 8.5% of income.