Columbia Public Health

Columbia Public Health Columbia University's Mailman School of Public Health addresses critical public health challenges through innovative science, education and leadership.

For more than 90 years, Columbia University's Mailman School of Public Health has been a global leader in the development of science, policy, and programs to improve health and prevent disease and disability. With faculty at work in more than 100 countries and deeply involved in the northern Manhattan community, the Mailman School is a leading force in both global and urban health. Its faculty inc

ludes world authorities on climate and health, HIV/AIDS treatment and prevention, healthy aging, maternal health, mental health, environmental toxins, the history and ethics of public health, healthcare reform, and ways to strengthen healthcare systems, among many other critical issues. In recent years the Mailman School has launched major initiatives and interdisciplinary research programs focused on the biggest health challenges of the century. These include the aging of global populations; the spread of chronic diseases such as diabetes, heart disease, and obesity; the emergence of new infectious diseases; and the need for new statistical models and tools that harness increasingly large sets of data. An innovator and pre-eminent force in public health education, Columbia’s Mailman School trains the future leaders of the field.

A Columbia Mailman study of 3.6M+ patient portal messages suggests patients’ writing style may be a potential source of ...
08/24/2026

A Columbia Mailman study of 3.6M+ patient portal messages suggests patients’ writing style may be a potential source of inequities in how responsive care teams are to patients from historically marginalized groups.

how patients write portal messages can play a key role in whether—and by whom—they receive a response from health care team.

A new NIH-funded study of 2,514 U.S. children found an association between higher fluoride levels in public drinking wat...
08/18/2026

A new NIH-funded study of 2,514 U.S. children found an association between higher fluoride levels in public drinking water during pregnancy and lower scores on tests of problem-solving, memory, attention, and adapting to new information.

The study was observational and does not prove that fluoride caused differences in cognitive performance.

Pregnant mothers who lived in neighborhoods where public drinking water fluoride levels were near or above the current U.S. recommended levels

Biostatistics professor Zhonghua Liu and colleagues developed DANDELION, a new framework that helps identify disease-dri...
08/11/2026

Biostatistics professor Zhonghua Liu and colleagues developed DANDELION, a new framework that helps identify disease-driving genes that conventional approaches miss. In , it uncovered a previously unrecognized pathway that could point to new therapeutic targets.

The framework helps identify genes that play central roles in diseases, such as asthma, but are often overlooked by existing genetic analysis methods.

“The work that I do is really about the interplay between molecular biology and public health,” explains  Environmental ...
08/07/2026

“The work that I do is really about the interplay between molecular biology and public health,” explains Environmental Health Sciences at Columbia Public Health scientist Allison Kupsco in this Q&A. This combination unlocks insights that move the field forward and uncover answers about early exposure to toxins.

A Q&A with environmental health scientist Allison Kupsco.

For applicants in recovery, deciding whether to disclose a history of substance use can be difficult. A new Columbia Mai...
07/29/2026

For applicants in recovery, deciding whether to disclose a history of substance use can be difficult. A new Columbia Mailman-led study highlights why: more than 80% of physicians and dentists believe disclosure carries admissions risk.

National survey finds more than 80 percent perceive applicants face admissions risk when disclosing a history of substance use, highlighting persistent stigma within healthcare.

A new Columbia Mailman study published in JAMA found that alcohol use during pregnancy—including higher-risk drinking pa...
07/28/2026

A new Columbia Mailman study published in JAMA found that alcohol use during pregnancy—including higher-risk drinking patterns—has increased over the past decade.

Researchers found increases in current alcohol use, binge drinking, and heavy drinking between 2011 and 2024. Because no amount of alcohol is considered safe during pregnancy, these findings are concerning.

Prenatal alcohol exposure has increased in the United States

Your tap water may tell a bigger story than you think. 💧 New Columbia Mailman research provides some of the strongest ev...
07/27/2026

Your tap water may tell a bigger story than you think. 💧 New Columbia Mailman research provides some of the strongest evidence to date that household drinking water is a persistent contributor to lithium levels measured in the body across Tribal communities in the Western U.S.

Decade-long research strengthens the evidence linking drinking water to lithium exposure and establishes urinary lithium as a reliable measure of long-term environmental exposure.

Where children live can have a lasting impact on their health.A new study from Columbia Mailman and collaborators found ...
07/17/2026

Where children live can have a lasting impact on their health.

A new study from Columbia Mailman and collaborators found that young children living in federally assisted housing were less likely to have elevated blood lead levels than children waiting for assistance. The strongest protective effects were seen in project-based housing programs, highlighting the importance of strong housing standards and lead hazard controls.

Children ages 5 and younger receiving federal housing assistance had lower average blood lead levels than children waiting to receive assistance.

A new Lancet Commission calls for greater action on women's hematologic health across the lifespan.Columbia Mailman's Ma...
07/16/2026

A new Lancet Commission calls for greater action on women's hematologic health across the lifespan.

Columbia Mailman's Marni Sommer, a co-author, highlights how heavy menstrual bleeding remains under-recognized, underdiagnosed, and stigmatized worldwide, leaving many without adequate support or care.

Lancet Haematology published its Commission on Global Female Health and Haematology

Menstrual health affects an estimated 2 billion people, yet it remains overlooked as a public health priority.A new comm...
07/14/2026

Menstrual health affects an estimated 2 billion people, yet it remains overlooked as a public health priority.

A new commentary from Columbia Mailman's Marni Sommer calls for greater investment in education, healthcare, and menstrual-friendly schools, workplaces, and public spaces so everyone can manage menstruation with dignity.

Experts call for menstrual health to be recognized as a public health priority with greater investment in education, healthcare and public spaces.

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