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Public health

Two young adults stand in front of a rolling cart. Above it hangs a sign that reads "Free Harm Reduction Supplies."
Community
Students lead harm reduction efforts
Published Jan 30, 2025
HopOn Harm Reduction hands out free syringes, Narcan, and other supplies to decrease the dangers and stigmas surrounding drug use
Hairdresser dyeing a woman's hair in a salon
Environmental Health and Engineering
Study finds harmful airborne chemicals in salons
Published Jan 16, 2025
Johns Hopkins researchers found that women of reproductive age are the most vulnerable to the negative health effects caused by chemicals in hair relaxers, dyes, and other salon products
an assortment of unhealthy foods on a table, including a hamburger, fries, candy, chocolate, soda, and a donut
Public Health
Americans eat high amounts of ultraprocessed foods
Published Dec 10, 2024
Bloomberg School analysis finds that more than half of calories consumed at home by adults in the U.S. come from ultraprocessed foods  
cover of 'Rat City' shows aerial view of city buildings
Nonfiction
Metropolis in Miniature
Published Winter 2024
New book explores the decadeslong rat empire experiments of Johns Hopkins Professor John B. Calhoun / Johns Hopkins Magazine
A group of people stand in front of the new Great Plains Hub building as David Warne cuts a ribbon that stretches across the building
Indigenous health
Center for Indigenous Health opens new South Dakota location
Published Oct 17, 2024
The Great Plains Hub recently opened in Rapid City, South Dakota, under the leadership of Donald Warne, the center's co-director
Photograph of Joseph Amon
Joseph Amon to direct Center for Public Health and Human Rights
Published Oct 16, 2024
Amon, who comes to Johns Hopkins from Drexel's Dornsife School of Public Health, brings years of experience advocating for human rights
Photograph of Amanda Smith
University news
Hopkins public health expert joins Center for Urban Families in unique partnership
Published Oct 15, 2024
Bloomberg School faculty epidemiologist Amanda Smith will serve as organization's director of research and evaluation to advance its work strengthening families, addressing poverty
Illustration of pill bottles pouring pills
Opioid epidemic
Overdose deaths lower U.S. life expectancy by nearly a year
Published July 30, 2024
Data analysis sheds light on the scope of opioid-related deaths, including sharply rising totals among young minorities
Prescription bottle for Oxycodone tablets and pills on wooden table with USA flag in background
Opioid crisis
Nearly one-third of U.S. adults experience 'overdose loss'
Published May 31, 2024
Johns Hopkins researchers' survey also finds that familiarity with a fatal overdose death bolsters recognition of addiction as an important policy issue that spans party lines
Two black and white dairy cows standing in a green pasture come extremely close to the camera lens
Q+A
What's happening with dairy cows and bird flu?
Published April 15, 2024
Though the virus is circulating in dairy cows, human exposure remains low, Johns Hopkins public health experts say