Department of Environmental Health
We’re leading the global charge to understand and solve the world’s most pressing environmental health challenges. Learn how we can make an impact together.
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Boston, MA 02115
News
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Uncovering the dangers of hair products marketed to Black women, girls
A growing body of evidence suggests that chemicals in hair relaxers—products aimed at straightening hair—and other hair products marketed to Black girls and women contain endocrine-disrupting substances linked with early menstruation, reproductive health issues, and cancer. But these remain largely unregulated in the U.S.
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Commentary: Maternal, infant health must be prioritized amid climate change
As climate change continues to escalate, protecting maternal and infant health must be a priority, according to experts from Harvard Chan School.
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Op-ed: EPA regulation on ‘forever chemicals’ in drinking water is lagging
New Environmental Protection Agency limits on forever chemicals in drinking water are a step in the right direction to protect the nation’s health, but they don’t go nearly far enough, according to a Washington Post op-ed by Harvard Chan School’s Joseph Allen.
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Menstrual periods are arriving earlier for younger generations, especially among racial minority and lower-income individuals
The average age at menarche—the first menstrual period—has been decreasing among younger generations in the U.S., especially those belonging to racial minorities and lower socioeconomic statuses, according to a new study led by researchers at Harvard Chan School.
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Canada wildfire smoke poses health risks in the U.S.
Wildfire smoke from Canada has been traveling to the Midwestern U.S., causing air pollution both outdoors and indoors, according to experts.
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Irregular periods linked with increased risk for cardiometabolic conditions
Having persistently irregular menstrual cycles appears to put women at heightened risk for cardiometabolic conditions, according to a large study from the Apple Women’s Health Study.
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How do the smells of nature affect well-being? A call for more research.
A group of scientists has proposed a framework for expanding research into how odors and scents from natural settings impact human health and well-being.
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Extreme temperatures may increase risk of stroke mortality, especially in low-income countries
Extreme heat and extreme cold are both associated with increased risks of death from ischemic and hemorrhagic stroke, especially in low-income countries, according to a new Harvard Chan School study.
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Electric school buses may yield significant health and climate benefits, cost savings
Replacing diesel school buses with electric school buses may yield up to $247,600 in climate and health benefits per individual bus, according to a new study led by Harvard Chan School.
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‘No safe amount of exposure’ to gas stove pollution
People living in U.S. households with gas stoves may regularly breathe in unsafe levels of nitrogen dioxide, according to a new study co-authored by Harvard Chan School’s Kari Nadeau.
