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New report provides the most detailed picture of preventable child deaths worldwide

An estimated 4.9 million children died before their fifth birthday in 2024, including 2.3 million newborns, according to new estimates released today.

18 Mar 2026

Study links financial strain to faster cognitive aging

Worse financial well-being in midlife and older age -and especially declines over time-are associated with lower memory scores and faster cognitive decline, reports a new study at Columbia University Mailman School of Public Health.

18 Mar 2026

Study finds a clear link between ultraprocessed food and heart disease risk

A prospective analysis of 6,531 adults in the multiethnic MESA cohort found that higher ultraprocessed food intake was associated with a graded increase in incident ASCVD risk, with each additional daily serving linked to about a 5% higher risk. The association was stronger in Black participants, while no significant interaction was seen by sex or income.

18 Mar 2026

Study finds GLP-1 medicines cut fat while preserving muscle function

Researchers found that GLP-1 medicines caused weight loss mainly through fat reduction, with only modest decreases in absolute muscle mass and no disproportionate loss of muscle function. In mice, physical performance improved, while in a small 12-week human pilot trial, strength was preserved despite reduced thigh muscle size.

18 Mar 2026

Impact of ban and ordinances against indoor smoking in eating, drinking establishments

To reduce the adverse health effects associated with exposure to second-hand smoke, Japan fully enforced the Revised Health Promotion Law in April 2020, introducing a nationwide indoor smoking ban in restaurants and similar hospitality establishments.

18 Mar 2026

New data platform transforms prediction and understanding of Alzheimer’s disease

A powerful new real-world data platform could transform how scientists predict and understand Alzheimer's disease and Alzheimer's disease related dementias (AD/ADRD), reports a new study at Columbia University Mailman School of Public Health and collaborators at the Vagelos College of Physicians and Surgeons, the School of Nursing as well as the University of Miami and University of Chicago.

18 Mar 2026

Pre-pandemic health patterns influence risk of developing post-COVID

Women who frequently sought healthcare for recurring symptoms before the pandemic were more likely to later be diagnosed with post-COVID, according to a thesis at the University of Gothenburg.

18 Mar 2026

More US adolescents are obese but fewer are trying to lose weight

The rising obesity rates in American adolescents, coupled with declining weight-loss efforts, signal urgent needs for targeted public health interventions.

18 Mar 2026

Evidence shows ACA’S mandated benefits alone don’t drive up costs. The debate continues.

In January, when President Donald Trump unveiled his one-page outline to address health care spending, dubbed "The Great Healthcare Plan," he specifically mentioned the Affordable Care Act's role in driving up costs.

18 Mar 2026

Climate change drives dengue outbreaks through extreme weather events

Diseases historically absent from the United States have been showing up in Florida, Texas, California and other U.S. states in recent years.

17 Mar 2026

Zero-risk food safety approach may increase waste and costs

These food safety measures and ultra-sensitive tests may drive edible food being thrown away, excessive packaging, and extra costs for consumers.

17 Mar 2026

Study focuses on pica prevalence and risks in many South Carolinians during pregnancy

Health promotion, education, and behavior assistant professor Leila Larson conducts her nutrition-focused maternal and child health research all over the world, and South Carolinians will soon benefit from her expertise.

17 Mar 2026

One-dose oral treatment may be the simplest weapon against sleeping sickness

Sleeping sickness has been killing people across Africa for generations. A disease with no vaccine, spread by the bite of a tsetse fly, it was once treated with injections of an arsenic derivative, a cure that could be as dangerous as the illness itself.

17 Mar 2026

Continuous Medicaid coverage lowered postpartum uninsurance, but disparities remain

Postpartum uninsurance declined among Black women in non-expansion states during the COVID-19 continuous Medicaid coverage policy, but racial gaps persisted, according to a new study at Columbia University Mailman School of Public Health.

17 Mar 2026

Tailored prediabetes treatment may better prevent Type 2 diabetes

A one-size-fits-all approach to prediabetes treatment may miss the opportunity to implement an early, more intensive, tailored prevention approach for those with the highest risk of developing Type 2 diabetes, according to preliminary research presented at the American Heart Association's EPI|Lifestyle Scientific Sessions 2026.

17 Mar 2026

Wastewater detection of cancer marker may aid early diagnosis

Detection of a bowel cancer marker (CDH1) in wastewater may offer a new community level early warning system for the disease, suggests a proof of concept study published online in the Journal of Epidemiology & Community Health.

17 Mar 2026

New risk models improve food safety guidelines for pregnant individuals

Listeria is the third-leading cause of death among bacterial foodborne pathogens in the U.S. and pregnant individuals bear a disproportionate share of that burden.

17 Mar 2026

Early-life PFAS exposure may hinder adolescent bone development

Early-life exposure to per- and polyfluoroalkyl substances (PFAS) may influence how children's bones develop during adolescence, according to new research published in the Journal of the Endocrine Society.

17 Mar 2026

Expert consensus validates UDFF for noninvasive fatty liver assessment

As the global burden of obesity, type 2 diabetes, and metabolic syndrome continues to rise, fatty liver disease has become one of the most prevalent chronic liver conditions worldwide. Its progressive forms, including metabolic dysfunction‐associated steatohepatitis (MASH), cirrhosis, and hepatocellular carcinoma, now represent a major public health challenge.

17 Mar 2026

Psychiatrists’ use of biomarkers could open a new window into mental health diagnoses

Amanda Miller was 30 and pregnant with her second child in Hershey, Pennsylvania, when she developed depression.

17 Mar 2026

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Public Health News and Research

New report provides the most detailed picture of preventable child deaths worldwide

Study links financial strain to faster cognitive aging

Study finds a clear link between ultraprocessed food and heart disease risk

Study finds GLP-1 medicines cut fat while preserving muscle function

Impact of ban and ordinances against indoor smoking in eating, drinking establishments

New data platform transforms prediction and understanding of Alzheimer’s disease

Pre-pandemic health patterns influence risk of developing post-COVID

More US adolescents are obese but fewer are trying to lose weight

Evidence shows ACA’S mandated benefits alone don’t drive up costs. The debate continues.

Climate change drives dengue outbreaks through extreme weather events

Zero-risk food safety approach may increase waste and costs

Study focuses on pica prevalence and risks in many South Carolinians during pregnancy

One-dose oral treatment may be the simplest weapon against sleeping sickness

Continuous Medicaid coverage lowered postpartum uninsurance, but disparities remain

Tailored prediabetes treatment may better prevent Type 2 diabetes

Wastewater detection of cancer marker may aid early diagnosis

New risk models improve food safety guidelines for pregnant individuals

Early-life PFAS exposure may hinder adolescent bone development

Expert consensus validates UDFF for noninvasive fatty liver assessment

Psychiatrists’ use of biomarkers could open a new window into mental health diagnoses

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