Johns Hopkins Department of Epidemiology

Promo graphic for episode 1014 of Public Health On Call titled How the FDA Regulates Mifepristone, "the Abortion Pill". Additional text reads: FDA has historically regulated mifepristone based on available scientific evidence and without ideological bias.

A recent study shows that the FDA has historically regulated mifepristone based on available scientific evidence and without ideological bias.

@johnshopkinsepi.bsky.social's Caleb Alexander discusses the findings of this study and their implications 🎧

podcast.publichealth.jhu.edu/1014-how-the...

In order to understand Latino mental health for her doctoral research, Lianeris Estremera-Rodriguez is looking at data from the California Health Interview Survey, including racialized legal status and exclusion.

An AI-Powered Lifestyle Intervention vs Human Coaching in the Diabetes Prevention Program This randomized trial examines whether referral to an artificial intelligence–led lifestyle intervention based on the Diabetes Prevention Program (DPP) is noninferior to referral to a human-led DPP in...

.@amalforresearch.bsky.social is co-author of new @jama.com paper on use of AI-powered lifestyle intervention in persons with pre-diabetes. jamanetwork.com/journals/jam...

In his doctoral proposal seminar today, Emeka Ejimogu discusses glycemic management, clinical outcomes and pathology underlying cognitive impairment in older adults with diabetes.

In a recent episode of @publichealthpod.bsky.social, @ivac-hopkins.bsky.social executive director William Moss details the history of MMR vaccines and the public health dangers posed by changing immunization recommendations without scientific justification to do so.

Risks of Cuts to mRNA Vaccine Development | Johns Hopkins Bloomberg School of Public Health mRNA vaccine technology has huge potential for treating not just infectious diseases but cancer and many chronic diseases—advances that may be threatened by funding cuts.

In a recent Q&A, @ivac-hopkins.bsky.social executive director Bill Moss delves into the misinformation surrounding mRNA vaccines, explains their potential to treat diseases like cancer and HIV, and warns of the dangers posed by funding cuts. publichealth.jhu.edu/2025/risks-o...

Big Gains in Type 1 Diabetes Glucose-Control Management in Recent Years | Johns Hopkins Bloomberg School of Public Health Researchers credit wider use of continuous glucose monitoring and insulin delivery devices.

The authors note that improving glucose control in type 1 diabetes patients has been challenging, so these increases are significant. They attribute the improvements to the widespread adoption of monitoring and delivery technologies. publichealth.jhu.edu/2025/big-gai...

Ultraprocessed Foods and Their Association With Cardiometabolic Health: Evidence, Gaps, and Opportunities: A Science Advisory From the American Heart Association | Circulation Ultraprocessed foods and beverages (UPFs) pose a growing public health challenge. Commonly defined by the Nova system, UPFs are industrially processed products made with additives or ingredients not c...

The researchers, including Casey Rebholz, reviewed current evidence on UPFs and their impact on cardiometabolic health, and outlined research needs, regulatory reform, and policy changes needed to affect better dietary intake and overall health. www.ahajournals.org/doi/10.1161/...

Convergence and divergence of individual immune responses over the life course Three ingredients create the strikingly variable immune trajectories observed across human populations: (i) genetic variation, (ii) individual-scale generation of additional genetic diversity solely i...

A perspective published in Science on August 7 by Derek Cummings et al, noted that disentangling the mechanisms that shape immune diversity could inform effective strategies to manage microbial interactions and mitigate the burden of immune-mediated chronic diseases. www.science.org/doi/10.1126/...

Health and Extreme Weather Events Wildfires, especially those that destroy property or claim human life, capture our attention. They are communicated to the public as “events,” with a beginning and an end. The large ones are memoriali...

In a @jama.com editorial published August 6, @drsoniaangell.bsky.social talks about the need for a robust and comprehensive climate & health surveillance system to understand the ways climate impacts health, especially when extreme weather is more commonplace. jamanetwork.com/journals/jam...

DASH Diet Modified for Diabetes Lowers Blood Sugar Levels in Clinical Trial of Adults With Type 2 Diabetes | Johns Hopkins Bloomberg School of Public Health Researchers hope results will lead to incorporating DASH4D into clinical guidelines.

A modified version of a diet known to lower blood pressure is also effective at lowering glucose in adults with type 2 diabetes, according to a clinical trial led by researchers at the Johns Hopkins Bloomberg School of Public Health. publichealth.jhu.edu/2025/dash-di...

Healthy Eating for the Planet, Cardiovascular Health, and Longevity: An Observational Study | Journal of the American Heart Association

New pub in the Journal of the American Heart Association by Jiaqi Yang, Valerie Sullivan and Casey Rebholz concludes a dietary pattern that promotes planetary health was associated with a lower risk of CVD morbidity and death in a general population. www.ahajournals.org/doi/10.1161/...

How do I stay healthy in my 50s, 60s and 70s? By focusing on certain areas – like nutrition, exercise and positive connections – you can age well in every decade

Genetics, lifestyle choices and environment are the factors that most affect your health, says @jenschrack.bsky.social. Regular appointments with a healthcare provider benefit all older people, and preventive care can improve longevity.
www.theguardian.com/global/2025/...

💊 How do we know if drugs are safe & effective?

Learn how real-world data drives better, safer medicines in the Drug Development & Pharmacoepidemiology specialization from @johnshopkinsepi.bsky.social faculty.

🌎 100% online | Learn at your own pace.

👉 Enroll today at Coursera.org!

Excited to celebrate 3 Discovery Award-winning teams featuring @johnshopkinsepi.bsky.social faculty!

🧬Liquid biopsies for early breast cancer detection (Kala Visvanathan)

🌀 Psilocybin & amblyopia (Ann Ervin)

🧠 AI to predict heart disease (Kuni Matsushita)

research.jhu.edu/major-initia...

Tens of Thousands of Heart Attacks and Strokes Could Be Avoided Each Year if Cholesterol-Lowering Drugs Were Used According to Guidelines | Johns Hopkins Bloomberg School of Public Health New study details gaps between actual and recommended use of statins and other lipid-lowering drugs—and estimates public health benefits of closing those gaps

A new study led by Caleb Alexander has identified a significant gap between the number of U.S. patients for whom cholesterol-lowering drugs such as statins are recommended and the actual number of patients who take them. publichealth.jhu.edu/2025/tens-of...

We wrap up our @jhu-epibiostatsi.bsky.social seminar series with Carlos Castillo-Salgado and Adele Houghton, who will discuss how architectural epidemiology can be used to design a healthier, more sustainable world.

Today's @jhu-epibiostatsi.bsky.social seminar features Elizabeth Stuart, who will discuss how augmented synthetic control and related methods for policy evaluation can be applied to opioid and abortion policy.

In today's @jhu-epibiostatsi.bsky.social seminar, Shruti Mehta discusses the importance of global partnership in combating hepatitis C virus among people who inject drugs in India.

Moyses Szklo will discuss semantic and other challenges of translational epidemiology in today's @jhu-epibiostatsi.bsky.social seminar.

It may look like alphabet soup, but Edgar Miller will explain why A β C D E get an F for CVD in today's @jhu-epibiostatsi.bsky.social seminar.

Our @jhu-epibiostatsi.bsky.social seminar features Sandro Galea, who will address population health at an inflection point: learning lessons and identifying opportunities.

Today's @jhu-epibiostatsi.bsky.social seminar features Alfredo Morabia, who will discuss epidemiology at a crossroads: history, state-fostered misinformation and the defense of public health.

In her final defense seminar today, Sara Daniel discusses structural intersectionality: a policy-based measure of state-level discrimination.

Is good sleep the key to health aging? Adam Spira explains in today's @jhu-epibiostatsi.bsky.social seminar.

We wrap up our first week of @jhu-epibiostatsi.bsky.social seminars with a presentation by Chandra Jackson on how extreme weather events impact sleep, the third pillar of health.

Today, @ivac-hopkins.bsky.social's executive director William Moss discusses the history of infectious diseases, and why it took centuries to accept germ theory in today's @jhu-epibiostatsi.bsky.social seminar.

Roland Thorpe discusses building a research program to address Black men's health in today's @jhu-epibiostatsi.bsky.social seminar.

Today's @jhu-epibiostatsi.bsky.social seminar features Pablo Martinez Amezcua, who will discuss insights and validation of an accelerometer-based assessment of activity, sedentary behavior, and sleep.

Dr. Debashree Ray kicks off our @jhu-epibiostatsi.bsky.social seminar series with an introduction to causal estimation with Mendelian randomization.