Research & Analysis

A New Era for Alzheimer's Disease Diagnosis

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Emerging biomarkers and digital tools are unlocking earlier and more accurate diagnosis

Teresa, 75, an Alzheimer's patient and former businesswoman, poses for a photograph inside the Alzheimer Foundation, in Mexico City, Mexico, on April 19, 2012.

The Economics of Lung Cancer and Drug Delays in Latin America

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A new analysis unpacks the extent of how slow regulatory approvals hamper cancer drug availability in Latin America

Norma del Carme Blandin, a cancer patient, sits in a wheelchair inside her bedroom, at the Casa-Albergue, in Managua, Nicaragua, on October 20, 2017.

Concerns Over Animal Health and EU Food Security

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As the EU reviews its Common Agricultural Policy, investing in animal health offers a sustainability measure that could benefit farmers and consumers

A goat is seen in a pen during an outbreak of foot-and-mouth disease, in Schoeneiche, Germany, on January 13, 2025.

The Mental Health Effects of Ozempic and GLP-1 Drugs

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As researchers decipher how GLP-1s affect mental health, experts worry access is outpacing the scientific investigation

Dawn Heidlebaugh, who experienced mental health concerns while using Ozempic, looks out of the window of her home, in Findlay, Ohio, on September 19, 2023.

Beyond Thimerosal: Preserving Vaccine Access Amid Growing Hesitation

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Vaccine ingredients such as thimerosal have long safety records. U.S. discourse could sow dangerous doubt among global partners

A worker holds a malaria vaccine vial to administer to a child, at Chileka Health Center, in Lilongwe, Malawi.

To Tackle Obesity, India Needs More Than High Soda Taxes

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New taxes and policy target soft drinks, but they overlook other sugary beverages and the country's "obesogenic environment"

A vendor selling snacks and refreshment drinks waits for customers outside Alipore Zoological Garden, in Kolkata, India, on May 1, 2024.

Lenacapavir Can Transform HIV Prevention—If Countries Support Access

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By 2030, nearly 60% of global PrEP demand will be concentrated in historically underserved communities

A person who contracted HIV after losing access to PrEP, washes his face, in Asaba, Delta State, Nigeria, on May 31, 2025.

The United States Maintains Its Global Fund Commitment

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The $4.6 billion pledge shows the willingness of the United States to support multilateral agencies that meet certain criteria

Norway's Prime Minister Jonas Gahr Store listens during the Global Fund event on November 21, 2025, in Sandton, Johannesburg, South Africa, ahead of the G20 Summit, which begins tomorrow. Leon Neal/Pool via REUTERS

Zero-Dose Children and Vaccine Gaps in Cameroon

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Exploring why some children remain unvaccinated in Cameroon and what distinguishes hard-to-reach from historically unreached groups

A nurse administers a malaria vaccine to an infant at the health center in Datcheka, Cameroon January 22, 2024. REUTERS/Desire Danga Essigue

Eating Disorders Rise Among Marginalized Americans

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In recent years, U.S. health visits for eating disorders have more than doubled for children

People shop for groceries at a store in New York City, New York, on July 15, 2025.

Small Island Nations Remain Sidelined at Climate Conferences

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The lack of diversity behind climate decision-making has direct consequences for how the world responds to the crisis

Binata Pinata scales a fish her husband caught, as she sits in the sea just off Bikeman islet, located off South Tarawa, in the central Pacific island nation of Kiribati, on May 25, 2013.

Why Mountain Nations Matter at the COP30 Climate Summit

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Central Asia's experience highlights that climate change is inseparable from health equity

People gather before the Kyrgyz national horse games and festival, near the Tulpar-Kul lake, in the Chon Alai mountain range, in the Osh region of Kyrgyzstan, on July 25, 2015.