US withdrawal from the World Health Organization will have significant implications for global health. Lawrence Gostin, JD, JAMA Legal and Global Health Correspondent and Faculty Director of the O’Neill Institute for National and Global Health Law at Georgetown University, joins JAMA Health Forum Editor in Chief Sandro Galea, MD, DrPH, to discuss global health in an era of new uncertainty. Related Content:

• The US, the World Health Organization, and the Global Health Infrastructure

Incoming Editor in Chief Sandro Galea, MD, DrPH, discusses the journal and the state of health policy with Deputy Editor Julie Donohue, PhD, and Senior Editor Melinda Buntin, PhD. Related Content:

• JAMA Health Forum: Meet the Editor in Chief, Sandro Galea, MD, DrPH
• JAMA Health Forum—Paving the Way for the Future of Health Policy Science and Scholarship

Founding Editor in Chief John Ayanian, MD, MPP, reflects on the origins and the highlights of the journal’s first 5 years, including seminal publications, the journal’s current No. 1 slot in the rankings, and the amazingly collegial editorial team, with JAMA Health Forum founding Deputy Editor Melinda Buntin, PhD. Related Content:

• Reflections on the First 5 Years of JAMA Health Forum

Research shows that Tobacco 21 (T21) policies with a minimum legal age to purchase tobacco products of 21 years reduce youth smoking, yet their potential long-term impact varies across US states. Jamie Tam, MPH, PhD, of the Yale University School of Public Health discusses these findings with JAMA Health Forum Editor John Ayanian, MD, MPP, and Deputy Editor Melinda Buntin, PhD. Related Content:

• US Tobacco 21 Policies and Potential Mortality Reductions by State

Extreme heat in the US led to deaths and hospital admissions among community-dwelling older adults with low incomes. Hyunjee Kim, PhD, of the Oregon Health & Science University, and Jose F. Figueroa, MD, MPH, of Harvard University, discuss these findings with JAMA Health Forum Editor John Ayanian, MD, MPP, and Deputy Editor Melinda Buntin, PhD. Related Content:

• Heat Waves and Adverse Health Events Among Dually Eligible Individuals 65 Years and Older
• The Alarming Risks for Dually Eligible Beneficiaries During Heat Waves

The use of care by patients of physicians considered more altruistic differs from the use of care of physicians considered less. Lawrence P. Casalino, MD, PhD, MPH, of Weill Cornell Medicine, discusses his work around this with JAMA Health Forum Editor John Ayanian, MD, MPP, and Deputy Editor Melinda Buntin, PhD. Related Content:

• Physician Altruism and Spending, Hospital Admissions, and Emergency Department Visits

JAMA Health Forum Editor John Ayanian, MD, MPP, and Deputy Editor Melinda Buntin, PhD, spoke with Sherry Glied, PhD, and Dong Ding, MA, MPA, of New York University, about the effects of participation in health care savings accounts. Participation in flexible spending accounts is linked to higher health care and tax expenditures, while health care savings accounts do not reduce expenditures. Related Content:

• Health Care–Related Savings Accounts, Health Care Expenditures, and Tax Expenditures

AcademyHealth CEO Aaron Carroll, MD, MS, shares highlights from the AcademyHealth 2024 Annual Research Meeting in an interview hosted by JAMA Health Forum Editor John Ayanian, MD, MPP, and Deputy Editor Melinda Buntin, PhD. John and Melinda then discuss key findings from 4 highly rated abstracts presented at the meeting that were published concurrently as Original Investigations in JAMA Health Forum. Related Content:

• Coverage and Access Changes During Medicaid Unwinding
• Changes in Health Care and Prescription Medication Affordability in the US During the COVID-19 Pandemic
• Household Health Care Payments Under Rate Setting, Spending Growth Target, and Single-Payer Policies
• Pay-for-Performance Incentives for Home Dialysis Use and Kidney Transplant
• JAMA Health Forum Highlights From the AcademyHealth Annual Research Meeting

More than 50 million adults in the US are eligible to vote but not registered. Alister F. Martin, MD, MPP, of Harvard University, and Katherine McCabe, PhD, of Rutgers University speak with JAMA Health Forum Editor John Ayanian, MD, MPP, and Deputy Editor Melinda Buntin, PhD, about a program to register new voters in health care settings that has enrolled younger and racially and ethnically diverse adults. Related Content:

• Increasing Voter Participation Through Health Care–Based Voter Registration

JAMA Health Forum Editor John Ayanian, MD, MPP, speaks with Kelsey M. Owsley, PhD, of the University of Arkansas, and Sayeh Nikay, PhD, MPH, of the University of Minnesota, about how the 340B drug discount program influences the services offered by public and nonprofit hospitals. They also discuss new state policies and proposed federal policies to promote greater transparency and accountability in the 340B program. Related Content:

• US Hospital Service Availability and New 340B Program Participation
• Public Hospitals May Use the 340B Program Differently Than Nonprofit Hospitals