Health Disparities News and Research

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Health disparities (also called healthcare inequality in some countries) refer to gaps in the quality of health and health care across racial, ethnic, sexual orientation and socioeconomic groups.

Chronic stress and social support affect how cognitive abilities change with age

Chronic stress and perceived social support may play a role in how memory and thinking abilities change with age, according to a new study led by researchers at Wake Forest University School of Medicine.

24 Sep 2026

Sudden unexpected infant deaths drive widening Black-white mortality gap

After years of declines in sudden unexpected infant deaths (SUID), rates have been ticking up again, particularly among babies born to Black mothers, new research shows.

23 Sep 2026

A 30-day benznidazole regimen offers safer Chagas disease treatment option

A 30-day course of benznidazole taken once a day could offer people with chronic Trypanosoma cruzi infection a safer and more practical option than the current standard treatment, taken twice a day for 60 days.

22 Sep 2026

CPS-involved students face higher rates of school absenteeism

Across the country, kids are settling into new school year routines. Parents buy backpacks, teachers arrange desks and lesson plans, and friends reconnect.

18 Sep 2026

Persistent stigma creates barriers to modern HIV prevention methods

For decades, HIV (human immunodeficiency virus) has been surrounded by fear, misinformation and stigma.

18 Sep 2026

Living in disadvantaged neighborhoods linked to adverse brain health

In a study analyzing nearly 3,000 brain MRI exams, researchers found that living in highly disadvantaged neighborhoods was associated with adverse brain health.

15 Sep 2026

Cardiovascular disease surpasses cancer as top killer of Hispanic populations in the U.S.

Cardiovascular disease has surpassed cancer as the leading cause of death among Hispanic adults in the U.S., driven by rising rates of obesity, diabetes, high blood pressure and other risk factors that often begin earlier in life for Hispanic people.

15 Sep 2026

APOE genotype helps p-tau217 predict who may develop cognitive impairment sooner

A pooled analysis of 8,582 adults from seven prospective cohorts found that higher plasma p-tau217 concentrations were associated with greater cognitive impairment risk and earlier progression, with stronger associations among APOE-ε4 carriers. Each 1-SD increase in p-tau217 was associated with a 24% shorter time to cognitive impairment among carriers compared with 13% among non-carriers, suggesting that genetic background can refine the prognostic meaning of this Alzheimer’s disease blood biomarker.

14 Sep 2026

Medicaid ACOs can improve maternal care quality and equity

A new study details how Medicaid Accountable Care Organizations can improve maternal healthcare quality and equity in the US by aligning performance mandates with innovative care coordination and social needs support among patients before, during, and after pregnancy.

10 Sep 2026

Historic redlining continues limiting healthy food access, study finds

Bad housing, high crime and poor schools are more important than transportation or income when it comes to accessing healthy food in neighborhoods historically subjected to "redlining" - the now-illegal practice once used to refuse loans, insurance or mortgages to people in certain neighborhoods that were disproportionately inhabited by racial and ethnicity minorities.

21 Aug 2026

Study highlights strengths and barriers of remote heart failure care

Interviews with patients hospitalized for heart failure, caregivers, providers, and organizational leaders highlighted several strengths of Mighty Heart (a major clinical trial examining the effectiveness of in home and telehealth-enabled visits from paramedics) that may support its adoption and implementation across health systems, a Columbia Nursing-led study finds.

21 Aug 2026

Brexit referendum led to worsening physician shortages in England

The United Kingdom's vote to leave the European Union (EU) was associated with major changes in health care worker migration and worsening physician shortages in England, according to a new study published in JAMA Health Forum.

21 Aug 2026

Lower-calorie meals look cheaper, but there’s a catch in the price

Analysis of 7,392 menu items from 200 large restaurant chains found that lower-calorie options on two major UK food delivery platforms carried a substantially higher cost per 100 kcal than higher-calorie items. The findings suggest that per-calorie pricing may create financial disincentives for choosing lower-calorie foods, with potential implications for diet-related health inequalities.

19 Aug 2026

High-resolution scans reveal how depression affects hippocampal subfields

Researchers from the USC Mark and Mary Stevens Neuroimaging and Informatics Institute (Stevens INI) at the Keck School of Medicine of USC have found that depression is associated with smaller volume in a specific part of the hippocampus, a brain region essential for learning and memory.

6 Aug 2026

The AI boom in women’s health could reinforce old biases

Authors argue that uncritical AI adoption in women’s health may encode reductive views of sex and gender, expand surveillance, and reproduce existing inequities. They call for greater scrutiny across the AI pipeline, community involvement, and structural change alongside carefully selected technologies.

4 Aug 2026

New survey reveals high mobile food delivery use among teens

Nearly one-quarter of teens reported using mobile food delivery services during school hours and almost half said they use them after school, according to a national survey of over 1,000 U.S. adolescents.

27 Jul 2026

Study links household drinking water to long-term lithium exposure

Lithium in drinking water is a widespread and persistent source of human exposure across Tribal communities in the Western United States, according to a new study from Columbia University Mailman School of Public Health.

24 Jul 2026

Multiple sclerosis deaths occur earlier among Black patients

Black people with multiple sclerosis (MS) die from MS at a younger age than white people, with a peak mortality rate at ages 65 to 74 for Black people and ages 75 to 84 for white people, according to a study published July 22, 2026, in Neurology® Open Access, an official journal of the American Academy of Neurology.

22 Jul 2026

Daily polypill significantly improves cardiac function in heart failure patients

Treatment with a "polypill" that combines multiple medications into a single daily dose significantly enhanced cardiac function and reduced hospitalizations for patients with heart failure, according to a study led by Michigan Medicine and UT Southwestern Medical Center.

20 Jul 2026

Federal nicotine reduction strategy could boost productivity and save lives

Implementing a federal nicotine reduction strategy may prevent millions of premature deaths, boost productivity, and significantly close smoking disparity gaps for individuals with major depression, according to Rutgers Health researchers.

16 Jul 2026