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Adolescents who use cannabis could face a significantly higher risk of developing serious psychiatric disorders by young adulthood, according to a large new study published today in JAMA Health Forum.

Tropical cyclones, including hurricanes and tropical storms, are linked to increased rates of drug-related deaths up to three months after the storm passes-particularly in higher-income, White communities and among younger populations.

A researcher with the Glenn Biggs Institute for Alzheimer's and Neurodegenerative Diseases at UT Health San Antonio has received a two-year, $402,500 grant award from the Cure Alzheimer's Fund to study how microglia, the brain's resident immune cells, paradoxically might contribute to the spread of toxic forms of tau protein in the disease.

The protein "neurofilament light chain" (NfL) – studied in humans in the context of neurodegenerative diseases and aging – is also detectable in the blood of numerous animals, and NfL levels increase with age in mice, cats, dogs, and horses.

Acinetobacter baumannii is a bacteria which can become a virulent killer in health-care settings among severely ill patients. The germ has rapidly developed drug resistance to even last-line carbapenem drugs.

A new paper was published in Volume 13 of Oncoscience on February 6, 2026, titled "Gastrointestinal toxicity of targeted cancer therapies in the United States: Clinicopathologic patterns, FDA safety frameworks, and implications for national patient protection."

For the first time, researchers show that tirzepatide - the active ingredient in the diabetes and weight-loss drug Mounjaro - reduces alcohol intake as well as relapse-like behaviors in rats and mice.

Current models of mortality risk after heart failure (HF) rely primarily on cardiac-specific clinical variables and may underestimate risk in elderly East Asian patients.

An increase in the number of percutaneous coronary interventions does not appear to have resulted in reduced mortality rates, according to results presented today at the EAPCI Summit 2026.

A Japanese study of more than 7,400 patients has identified a genetic mismatch that sharply increases the risk of severe acute graft-versus-host disease (GVHD) following umbilical cord blood transplantation.

Delirium is a sudden onset of acute confusion in which those affected are disoriented, have impaired attention, and experience altered perception -often accompanied by hallucinations or sleep disturbances.

An international study investigates spontaneous after-death communication to understand how participants perceive the emotional state of the deceased and how this perception influences their grieving process.

Researchers at örebro University have identified blood markers that can indicate who is at risk of developing ulcerative colitis - a chronic inflammatory bowel disease - later in life.

New insights into spontaneous coronary artery dissection – a devastating cause of heart attacks in young, healthy patients – were presented today at the EAPCI Summit 2026.

More cases of colorectal cancer are detected at an early stage with screening. This is according to new research based on data from over 278,000 60-year-olds, who were randomly selected to undergo one of two interventions or no screening at all (usual care).

Researchers at the University of Seville have analyzed alterations in the cerebral cortex in people suffering from psychosis.

Higher grip strength in older women correlates with lower all-cause mortality, underscoring the need for muscle-strengthening activities in public health.

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes than people living closer to sea level.

Imagine balancing a ruler vertically in the palm of your hand: you have to constantly pay attention to the angle of the ruler and make many small adjustments to make sure it doesn't fall over. It takes practice to get good at this.

Past studies in animals have shown that a highly processed diet is linked to memory problems and inflammation in the aged brain – and the effect can happen fast, after just three days of poor eating.