Harvard T.H. Chan School of Public HealthOpinion

Measuring the toll of extreme heat on workers’ health

Researchers are working to quantify the impact of working in extreme heat and humidity in order to help identify ...
Harvard T.H. Chan School of Public Health

PFAS blood levels higher in younger veterans than in general population

U.S. veterans aged 20 to 39 were found to have higher blood levels of per- and polyfluoroalkyl substances, or PFAS, than ...
Harvard T.H. Chan School of Public Health

Four decades into men’s health study, there’s still more to learn about healthy aging

The Health Professionals Follow-Up Study has generated important insights into diet and health, aging, and diseases such as ...
Harvard Medical School

The Studio

The Harvard Chan Studio is the hub for the School’s premier in-person and live-streamed events. We convene global leaders in health policy, advocacy, industry, and research for insightful ...
Harvard Medical School

JBL Symposium XXIX – 2026

Friday, October 30, 2026, 1PM-5PM in Kresge Auditorium at the Harvard T.H. Chan School of Public Health with poster session and reception immediately following. The JBL Center for Radiation Sciences ...
Harvard Medical School

Harvard T.H. Chan School of Public Health

We teach students how to effectively respond to key health challenges impacting populations around the world through outstanding teaching and research. Our expertise includes health systems and ...
Harvard T.H. Chan School of Public Health

Wildfire smoke: The health and environmental impacts

This summer, wildfire smoke degraded air quality across parts of Canada, the U.S., and other regions, threatening the ...
Harvard Medical School

Understanding why health care costs in the U.S. are so high

Unleash your potential at Harvard Chan School. In addition to our degree programs, we offer highly targeted programs through our Advanced Learning Academy, directed and taught by Harvard faculty.
Harvard Medical School

The health impacts of wildfires: Frequently asked questions

Q: Why is wildfire smoke harmful to people? Wildfires produce a complex mixture of air pollutants, including fine particulate matter, referred to herein as PM 2.5; this denotes small solid particles ...
Harvard Medical School

Air pollution in India linked to millions of deaths

A new study published today in Lancet Planetary Health found that long-term exposure to air pollution increased deaths by 1.5 million deaths per year in India, when compared to conditions if India met ...
Harvard Medical School

Understanding the new Dietary Guidelines for Americans

The 2025-2030 edition of the Dietary Guidelines for Americans (DGA) was released Jan. 7. Updated by the U.S. Departments of Agriculture (USDA) and Health and Human Services (HHS) every five years, the ...
Harvard Medical School

Wildfires are deadlier and costlier due to climate change

Climate change contributes to hundreds to thousands of deaths every year and $11 billion annually in economic burden from wildfire smoke in North America A study published today in Nature ...