How safe are the chemicals in sunscreen? A pharmacology expert explains

Chronic inflammation, already tied to heart disease and cancer, may also worsen the emotional toll of poor sleep. A new UCLA Health study found that older adults with insomnia who experience inflammatory exposure face triple the risk of developing depressive symptoms compared to sound sleepers.

Waymark, a public benefit company dedicated to improving access and quality of care in Medicaid, today published peer-reviewed research in JAMA Health Forum examining the projected health system and economic impacts of 2025 Medicaid policy changes.

Living near Coldwater Creek—a Missouri River tributary north of St. Louis that was polluted by nuclear waste from the development of the first atomic bomb—in childhood in the 1940s, '50s, and '60s was associated with an elevated risk of cancer, according to a new study led by Harvard T.H. Chan School of Public Health. The researchers say the findings corroborate health concerns long held by community members.

Gender-diverse individuals not only fear losing their access to gender-affirming care but may resort to self-harm or questionable alternatives if it disappears, according to new research from the University of Vermont (UVM) published in JAMA Network Open.

When electrical activity travels across the brain, it moves like ripples on a pond. The motion of these "brain waves," first observed in the 1920s, can now be seen more clearly than ever before thanks to instruments and techniques created by a Stanford-led team.

Rutgers researchers have found that firearm owners are more likely to consider temporary out-of-home storage when worried about the safety of others.

Cardiovascular disease is the leading cause of death worldwide and often originates in atherosclerosis, a chronic condition in which inflammation and fat deposits cause arteries to harden and narrow. Although clinical practice already targets causal factors like cholesterol, hypertension, and smoking, detecting atherosclerosis in its early stages remains challenging.

For decades, proponents of psychedelic drugs have come to Washington with a provocative message: Illegal, mind-altering substances like LSD and ecstasy should be approved for Americans grappling with depression, trauma and other hard-to-treat conditions.

Drones can deliver pizza, and maybe one day your online shopping. So why not use them to deliver urgent medicines or other emergency health-care supplies?

The omicron BA.2.86 lineage of SARS-CoV-2, the virus responsible for the COVID-19 pandemic, is known to have emerged suddenly with approximately 30 genetic mutations in the spike protein, similar to the earlier omicron BA.1 variant. However, BA.2.86 was not sufficiently infectious to become a dominant strain, and it was only after further mutating into the JN.1 variant that a significant surge in infections began to occur.

Imagine two people talking over a walkie-talkie set. Successful communication depends on them being tuned to the same frequency. If others try to communicate nearby, interference can occur, and important messages may be lost.

When we listen to a symphony, a jazz performance, or a pop song, we naturally tend to assume that our ears are the primary judges of quality. For many people, music is primarily an auditory experience, and they instinctively believe that the true essence of a musical performance lies in factors such as its acoustic fidelity, proper intonation, or rhythmic precision.

The psychological and emotional harm of restraining a child during a medical procedure is causing more trauma than necessary.

New University of Virginia School of Medicine research suggests an unexpected way doctors may be able to improve blood flow to the brain to battle Alzheimer's and other neurodegenerative diseases.

Immunotherapy using CAR T cells is finding ever more applications. In addition to their use in the treatment of blood and lymphatic cancers, CAR T cells are now also being investigated for solid tumors and various autoimmune diseases. With the growing number of indications and patients, the issue of side effects associated with this innovative therapy is becoming even more pressing.

With its services skyrocketing during the COVID-19 pandemic, telehealth—where medical services are delivered by phone or video call—has become a mainstay of health care systems in Australia and other countries around the world.

Nurses are charged with other people's health, but they often do not prioritize their own.

Children living near nuclear power stations in the U.K. are not at increased risk of childhood cancers, according to a new analysis.