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Night owls at greater risk for depression due to sleep and lifestyle factors

Mindfulness, total sleep quality, and alcohol consumption may help explain why people who stay up late have a greater risk of depression, according to a new study publishing March 19, 2025, in the open-access journal PLOS One by Simon Evans of University of Surrey, UK, and colleagues.

19 Mar 2025

Pitt researchers develop a new way to profile pediatric brain tumors

Researchers and pediatric neurosurgeons at the University of Pittsburgh School of Medicine and UPMC Children's Hospital of Pittsburgh developed a new way to profile brain cancers in children, paving the way for improved diagnostics and treatments.

19 Mar 2025

Researchers discover neutrophils that strengthen skin barrier

A team at the Centro Nacional de Investigaciones Cardiovasculares (CNIC) led by Dr. Andrés Hidalgo has discovered a specialized population of neutrophils in the skin that produce extracellular matrix, helping to maintain the skin's resistance and integrity.

19 Mar 2025

Study sheds light on brain activity during learning in mice

By revealing for the first time what happens in the brain when an animal makes a mistake, Johns Hopkins University researchers are shedding light on the holy grail of neuroscience: the mechanics of how we learn.

19 Mar 2025

Scientists uncover hints of a potential new cause of stomach cancer

For the first time, scientists have systematically analyzed somatic mutations in stomach lining tissue to unpick mutational processes, some of which can lead to cancer.

19 Mar 2025

Study reveals how B cells safeguard high-affinity antibodies

A vaccine's ability to generate long-lasting, high-affinity antibodies hinges on a delicate balance. Upon exposure to a vaccine or pathogen, B cells scramble to refine their defenses, rapidly mutating in hopes of generating the most effective antibodies.

19 Mar 2025

Research findings solve the paradox of how the immune system balances speed and precision

Germinal centers are high-speed evolution machines. Tiny clusters in the lymph nodes, germinal centers refine antibodies through mutation and expansion until they produce high-affinity B cells adapted to keep different pathogens in check.

19 Mar 2025

Parakeet brain reveals secrets of human-like speech patterns

A new study explains how a parakeet's brain helps it to mimic human words.

19 Mar 2025

Study reveals trends in drug-resistant Campylobacter infections across the U.S.

Campylobacter infections are the most common foodborne illnesses in the U.S., sickening an estimated 1.5 million people each year.

19 Mar 2025

CB1R inhibition shows promise in protecting gut barrier from alcohol damage

Heavy alcohol consumption is a leading cause of gastrointestinal diseases, with binge drinking linked to increased intestinal permeability-a condition commonly known as "leaky gut."

19 Mar 2025

Small intestine grows in response to pregnancy in mice

Researchers at the Francis Crick Institute have found that the small intestine grows in response to pregnancy in mice. This partially irreversible change may help mice support a pregnancy and prepare for a second.

19 Mar 2025

Australian scientists redefine dietary fiber classification for better health benefits

Australian food scientists have reclassified dietary fibers – beyond just soluble and insoluble – to better guide nutritional decisions and drive targeted health food products.

19 Mar 2025

Altered knee joint movement after ACL surgery could contribute to early-onset knee osteoarthritis

Some individuals who have had anterior-cruciate-ligament reconstruction (ACLR), the kind of surgery often performed on athletes' knees, may develop early-onset knee osteoarthritis.

19 Mar 2025

Older immigrants and immigrants with dementia face interconnected barriers to social and medical services in Finland

A recent study by the University of Eastern Finland shows that barriers to accessing social and medical services among older immigrants and immigrants with dementia in Finland are interconnected.

19 Mar 2025

Electronic cigarettes may pose lower cardiovascular risks for people with HIV

Electronic cigarettes use may pose lower cardiovascular risks in people living with HIV compared to tobacco cigarette use, new UCLA-led research shows.

19 Mar 2025

Caregivers of cancer patients face high rates of PTSD

Every year, millions of family members and friends provide care for loved ones undergoing cancer treatment, often at great emotional cost.

19 Mar 2025

Comparing mental health trajectories of teenagers in London and Tokyo

Published in The Lancet Child & Adolescent Health, the study aimed to provide robust insights into adolescent mental health trajectories in two different cultural contexts by comparing large samples of 11 to 16 years olds in London and Tokyo over time.

19 Mar 2025