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A new study published today in JAMA Network Open projects that reductions in federal funding for syringe service programs (SSPs) could lead to substantial increases in mortality among people who inject drugs in the United States.

We worry about the time kids spend using screens - but what if the time their caregivers spend on phones is also harmful? Scientists working on digital mental health noticed increasing reports of teenagers struggling with their parents' phone use and decided to investigate.

A common bacterial strain that lives naturally in people's guts can cause a dangerous or deadly infection for some, especially when it becomes multidrug-resistant and causes chronic urinary-tract infections (UTIs) in elderly women.

Researchers at Wake Forest University School of Medicine found caregivers of children hospitalized for cancer and blood disorders may experience food insecurity during their child's stay, even if they don't face that issue at home, and it could be linked to longer stays.

New research released today from the West Health-Gallup Center on Healthcare in America finds that fewer than half of Americans (49%) are considered "Cost Secure," meaning they can consistently afford healthcare and prescription medications when and where they need them, the lowest level recorded since West Health and Gallup launched its Healthcare Affordability Index in 2021.

A teen's mental health, as well as their body mass index (BMI) and screen time, are significantly associated with their sleep quality, according to a new paper published June 10, 2026 in the open access journal PLOS One by Jianying Li of Shanxi University, China, and colleagues.

Youth who have contact with the US legal system may be at increased risk of mental health symptoms including anxiety, depression, hostility, and psychoticism, according to a study published June 17, 2026 in the open access journal PLOS One by Raquel V. Oliveira and Elizabeth Culatta from Augusta University, US.

Physical therapists have long walked alongside stroke survivors during recovery. Now, they are walking with them.

A major new study has found that mental health and behavioral changes such as depression, anxiety, and emotional instability are common in people who survive encephalitis - inflammation of the brain that can be caused by infection or autoimmune disease.

People with obesity and type 2 diabetes are at high risk of blood vessel damage. This risk depends not only on the genes a person carries, but also on how they are "read".

A new review reframes PCOS, now proposed as PMOS, as a systemic endocrine and metabolic disorder shaped by genetic, epigenetic, ovarian, metabolic, and neuroendocrine pathways. It highlights why inconsistent diagnosis and symptom-focused care have limited progress, while targeted therapies, biomarkers, machine learning, and organ-on-chip models may support more personalized treatment.

A JCI review traces biological age measurement from functional tests and blood biomarkers to epigenetic, proteomic, imaging, wearable, and AI-based clocks. It finds that these tools can improve risk prediction beyond chronological age, but standardization, interpretability, and prospective validation are needed before routine clinical use.

Scenario-based modeling projects that aviation-related air pollution could drive a major rise in premature deaths by 2040, mainly through PM2.5 and ozone exposure. The study estimates that aircraft emissions caused 33,900 PM2.5-related deaths and 24,600 ozone-related deaths in 2019, with baseline 2040 deaths projected to more than double.

This review describes how gut microbial messengers, including SCFAs, microbiota-modified bile acids, neuroactive metabolites, and extracellular vesicles, may shape obesity and type 2 diabetes through the microbiota-gut-brain axis.

A University of California, Riverside-led study of more than 3,200 emergency department (ED) patients across the United States found that while awareness of influenza vaccination is widespread, most adults seen in EDs are not up to date on their annual flu vaccine.

For traumatic brain injury (TBI) and certain brain diseases, it looks like the risk may go in both directions, according to a study published on June 17, 2026, in Neurology®, the medical journal of the American Academy of Neurology.

Following infection, Ebola virus can survive unnoticed in the human body for months or even years, hiding in areas with little immune surveillance like the central nervous system.

Microplastics – minuscule pieces of plastic broken down from larger plastic waste – are a growing concern for human health, especially for the liver.

A new Simon Fraser University study has found men in ancient Europe likely had better access to protein-rich foods than women did.

A new study led by researchers at The University of Texas MD Anderson Cancer Center demonstrated that pre-operative radiation therapy for brain metastases not only targets tumor cells directly but also can activate immune pathways that can make tumors more receptive to immunotherapy.