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Social media platforms generate billions in annual ad revenue from U.S. youth
Social media platforms Facebook, Instagram, Snapchat, TikTok, X (formerly Twitter), and YouTube collectively derived nearly $11 billion in advertising revenue from U.S.-based users younger than 18 in 2022, according to a new Harvard Chan School study.
Walensky shares public health lessons she learned as CDC director
At the 175th Cutter Lecture on Preventive Medicine at Harvard Chan School, Rochelle Walensky shared major challenges she faced and lessons learned during her tenure as director of the Centers for Disease Control and Prevention.
Particulate pollution from coal associated with double the risk of mortality than PM2.5 from other sources
Exposure to fine particulate air pollutants from coal-fired power plants is associated with a risk of mortality more than double that of exposure to PM2.5 from other sources, according to a new study led by George Mason, UT…
Professor and former political appointee reflects on research and public service
Physician and health economist Benjamin Sommers spent two years on leave from Harvard T.H. Chan School of Public Health to serve in the U.S. Department of Health and Human Services.
A powerful methodology to guide health decision-making
Launched in 2021, CAUSALab brings together 14 epidemiology faculty members across multiple universities to collaborate on applying causal inference methods to compare the effectiveness and safety of health and policy interventions in a broad range of areas.
Doctors’ affiliations with large health systems may drive up costs
When primary care physicians work for or are affiliated with large health systems, their steering of patients toward specialists or other providers within those systems may be driving up health care costs, according to a new study led…
Nurse home visits may not improve prenatal health among low-income patients
Margaret McConnell, associate professor of global health economics at Harvard Chan School, discusses her recent evaluation of the impact of a longstanding national nurse home visiting program.
Preserving biodiversity for planetary, human health
Liz Willetts, visiting scholar and planetary health policy director in Harvard Chan School's Department of Environmental Health, explains the importance of nations aligning their biodiversity policies to optimize outcomes for both biodiversity and health.
Study finds threat to care coordination for people eligible for both Medicare and Medicaid
Some managed care plans are set up to help coordinate health care for people who are eligible for both Medicare and Medicaid, but "look-alike" plans that aren't obligated to provide such coordination may lead to poorer quality of…
Childhood housing insecurity linked to short- and long-term anxiety and depression
Ryan Keen, PhD '23, explains a new study that explores the relationship between childhood housing insecurity and mental health.
