News

The latest on the coronavirus

For the Harvard Chan community: Find the latest updates, guidance, useful information, and resources about Coronavirus Disease 2019 (COVID-19) here. In the wake of an outbreak of coronavirus that began in China in 2019, Harvard T.H. Chan School of Public Health experts have been speaking to a variety of media outlets and writing articles about the pandemic. We’ll …

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PTSD linked with accelerated cognitive decline in middle-aged women

Middle-aged women with symptoms of PTSD may face faster cognitive decline than women without such symptoms, according to a study from Harvard T.H. Chan School of Public Health. Researchers examined cognitive function data over a five-year period from more than 12,000 middle-aged women participating in the Nurses’ Health Study II who had experienced trauma. The scientists found that women with more …

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COVID-19 vaccination linked with small, temporary changes in menstrual cycles

July 26, 2022 – Vaccines for COVID-19 may cause small changes in menstrual cycles, but those changes are temporary, according to preliminary results from the Apple Women’s Health Study. The study’s survey of over 9,600 participants found that, on average, a dose of vaccine was associated with an increase in menstrual cycle length of about half a day. Cycle length returned …

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Racism is a public health crisis

The killing of George Floyd and the disproportionate impact that COVID-19 has had on people of color are only the two latest examples of how structural racism can lead to devastating outcomes. Harvard Chan School stands together and is committed to helping fight this longstanding racism. The information and resources below highlight work from members …

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Exercising more than recommended could lengthen life, study suggests

Getting the federally recommended amount of physical activity can reduce the risk of early death—but boosting activity higher can further reduce the risk, according to a study co-authored by Harvard T.H. Chan School of Public Health’s Dong Hoon Lee. The study, published July 25 in the journal Circulation, analyzed 30 years of medical records and mortality data from …

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The dangers of extreme heat

Extreme heat—the kind that baked the U.S. and other parts of the world in mid-July—poses grave health risks, according to Aaron Bernstein of Harvard T.H. Chan School of Public Health. Temperatures that soar to 90 degrees Fahrenheit or higher over the course or two or more days can cause more than just dehydration, heat exhaustion, or heat stroke, …

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Assessing the FDA’s latest moves on nicotine and e-cigarettes

In June, the U.S. Food and Drug Administration announced plans to develop a proposed product standard by May 2023 that would establish a maximum nicotine level in combustible tobacco products and reduce their addictiveness. The same month, the agency ordered electronic cigarette company Juul to immediately stop selling its products in the U.S., but later suspended the order pending further review. …

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