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Even though many years have passed since the start of the COVID-19 pandemic, the effects of infection with SARS-CoV-2 are not completely understood.

People who sleep poorly are more likely than others to have brains that appear older than they actually are.

Children and adolescents were twice as likely to experience long COVID after catching COVID for the second time, compared to their peers with a single previous infection, according to a large study funded by the National Institutes of Health (NIH) and published in Lancet Infectious Diseases.

Science and artificial intelligence combined at the Medical University of South Carolina in a study that could lead to personalized repetitive transcranial magnetic stimulation, or rTMS, for smokers who want to quit.

In experiments with mouse models of breast, pancreatic, and muscle cancers, researchers at Johns Hopkins All Children's Hospital report new evidence that a novel means of boosting the natural immune system prevents cancer recurrence and improves survival.

By targeting a specific area of the brain, researchers at Washington State University may now hold the key to curbing the debilitating symptoms of alcohol withdrawal that push many people back to drinking.

A breakthrough study at The University of Queensland has discovered a hidden dangerous feature in the Black Mamba one of the most venomous snakes in the world.

Remission of prediabetes can occur even without weight loss, protecting against type 2 diabetes in up to 22% of individuals. Metabolic improvements, healthier fat distribution, and enhanced β-cell function, not body weight change, drive this benefit.

Khat (Catha edulis), a plant chewed for its stimulant effects by millions in East Africa and the Arabian Peninsula, is increasingly recognized for its hepatotoxic potential.

A looming deadline at work, a clogged toilet, an argument with a loved one - these daily hassles can make any day feel more stressful. When these demands pile up, it can feel overwhelming, like there's no end in sight.

Chronic low-grade inflammation is a key driver of cardiovascular disease, even when cholesterol is controlled. The ACC’s 2025 Scientific Statement highlights hsCRP as a routine risk marker and outlines lifestyle and pharmacologic anti-inflammatory strategies for prevention and treatment.

Regular consumption of extra-virgin olive oil was associated with lower BMI and waist circumference in a study of more than 16,000 adults. EVOO also mediated over 60% of the Mediterranean diet’s impact on central obesity while showing an independent association with waist circumference.

A phase 3 trial in Nature Medicine found that a full-spectrum Cannabis sativa extract (VER-01) significantly reduced chronic low back pain and improved sleep and function compared with placebo. The extract was safe, well-tolerated, and showed no signs of abuse or dependence, with benefits maintained over long-term treatment.

Exercise can help to restore a more normal, well-regulated immune system in people with post-COVID syndrome, according to a gold-standard randomised-controlled trial presented at the European Respiratory Society Congress in Amsterdam, the Netherlands.

Doctors and nurses are better at triaging patients in emergency departments than artificial intelligence (AI), according to research presented at the European Emergency Medicine Congress today (Tuesday).

Portal vein thrombosis (PVT) is a critical complication in liver cirrhosis (LC), significantly worsening portal hypertension and accelerating the progression to decompensation.

Instead of stabbing yourself, or someone else, in the thigh with a needle to deliver a dose of adrenaline to counter anaphylactic shock, would it not be easier to use a nasal spray instead?

A common but often undiagnosed genetic condition may be causing delays in type 2 diabetes diagnoses and increasing the risk of serious complications for thousands of Black and South Asian men in the UK - and potentially millions worldwide.

A new clinical trial report finds that stereotactic radiation therapy offers long-term survival outcomes comparable to surgery for patients with small, early-stage non-small cell lung cancer (NSCLC). Patients in the study who received radiation also reported fewer side effects after treatment.

With 219,000 fall-related emergency hospital admissions among people aged 65 and over in England in 2023/24, a new trial at the University of Surrey is exploring how smart flooring could help prevent serious injuries by cushioning falls - potentially easing pressure on the NHS and reshaping the design of hospitals, care homes and even private homes.