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A nationwide Chilean cohort study of more than 3.6 million adults found that severe COVID-19 requiring hospitalization was associated with more than an eightfold higher hazard of incident tuberculosis within one year. The association was strongest in the first six months and among unvaccinated individuals, although absolute TB incidence remained low.

A sleep supplement widely used to treat insomnia could help reduce reliance on some of the most common and potentially harmful pain medications, new research from the University of Sydney suggests.

A blood test does not lie, exactly. It reports a number. The question raised by a new mini-review in Brain Medicine, which gathers and weighs a decade of scattered findings, is whether clinicians have been reading the same number in two different ways without realizing it.

A groundbreaking new HIV vaccine has shown unprecedented success in primates-and data published in Nature suggest the vaccine has the potential to protect humans from developing HIV infection and AIDS.

Researchers tested plant-derived prebiotic candidates against selected skin-associated bacteria and found that garlic, flaxseed, and mango ginger extracts inhibited S. aureus or acne-associated C. acnes in vitro. Onion and guduchi extracts modestly promoted S. epidermidis, suggesting a microbiome-targeted skincare route that now needs validation in skin models and human studies.

Doctors have few options for patients who develop a life-threatening lung condition called acute respiratory distress syndrome, or ARDS.

The prostate is the single organ most frequently afflicted by cancer in men. Prostate cancer affects approximately 4 million American men, with another 330,000 men expected to be diagnosed with the condition this year alone.

A comprehensive new review published in The Lancet affirms that currently approved mRNA vaccines are safe and highly effective at preventing infectious diseases, including COVID-19.

Higher levels of circulating vitamin A are linked to better lung function in children and adults with asthma, while vitamin D shows similar benefits in adults, including slower biological ageing, finds the first study of its kind, published online in the respiratory journal Thorax.

High doses of intravenous (IV) vitamin C may lower the risks of death and sepsis in trauma patients, as well as shortening hospital stay, suggests a review of the available evidence published online in the journal BMJ Military Health.

People with psychosis continue to face abuse, discrimination and early death, despite global reform efforts to protect their human rights, according to La Trobe University researchers.

Proteomic age clocks applied to two European cohorts linked faster biological aging with smoking, alcohol use, physical inactivity, all-cause mortality, cardiovascular disease, dementia, and several cancers. The Global proteomic clock predicted mortality as well as established lifestyle risk factors, while organ-specific clocks showed stronger links with related cancers of the kidney, lung, and stomach.

Researchers from The University of Texas MD Anderson Cancer Center demonstrated that an artificial intelligence (AI)-based analysis of tumor biopsies can predict responses to immunotherapy in a study of patients with rare cancers, published in the Journal for ImmunoTherapy of Cancer.

Animals don't experience the world passively. A hawk tilts its head to track prey. A person leans forward to read a sign. Scientists call this "active sensing": moving the body to gather better information.

The classification of steatotic liver disease (SLD) is undergoing a major conceptual transformation. In a recent article published in eGastroenterology, Dr. Chen, Dr. Horn, and Prof. Tacke from Charité - Universitätsmedizin Berlin argue that metabolic dysfunction-associated steatotic liver disease (MASLD), metabolic dysfunction and alcohol-associated liver disease (MetALD), and alcohol-associated liver disease (ALD) should not be regarded as rigid diagnostic categories, but rather as interconnected and evolving disease trajectories.

On any given U.S. holiday, traffic crashes claim more than 500 lives. But according to a new study published in Risk Analysis, the real danger lurks early in the annual calendar.

For nearly half a century, scientists have known that malaria parasites force their way into human red blood cells through a ring-shaped structure called the moving junction.

Few areas of the body face more daily stress and potential damage than the stomach, which must manage everything we swallow.

Immune checkpoint blockade (ICB) has reshaped the treatment landscape for advanced hepatocellular carcinoma (HCC), offering new hope where few options existed.

A novel study has found that obesity is associated with a distinct molecular program driving the transition from early-stage, premalignant breast lesions to invasive breast cancer.