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Higher optimism is associated with a lower risk of developing dementia, according to a new study in the Journal of the American Geriatrics Society.

A study in Health Economics provides strong evidence that public long‐term care insurance can vastly reduce the crushing financial burden of end‐of‐life health care.

Levels of cortisol, often referred to as the "stress hormone," typically peak in the early morning hours, preparing the body for the day's challenges by increasing alertness and energy levels, and gradually decline throughout the day, reaching their lowest point around midnight.

For people living with celiac disease, the fear of gluten exposure can extend beyond food - sometimes even into moments of intimacy.

New evidence links viral infections to dementia risk, suggesting vaccines and antiviral therapies may offer preventive pathways against cognitive decline.

How does sugar affect relaxation exercises? A new study carried out by researchers from the University of Konstanz provides revealing insights into the connection between blood glucose and the autonomic nervous system: The intake of sugar counteracts relaxation.

A research team led by scientists from the State University of Campinas (UNICAMP) in São Paulo, Brazil, has made significant progress in understanding the relationship between gut microbiota and intestinal cells.

Researchers at The University of Osaka have developed and evaluated a new eight-week training program that enables psychology trainees to effectively CBT by applying its techniques to themselves.

The default mode network (DMN) is a distributed set of interconnected brain regions that has long been associated with internally oriented cognition such as remembering the past, thinking about the future, or thinking about oneself.

What began as a child's encounter with trauma has grown into a research programme committed to understanding recovery.

There's a growing consensus that your zip code is a strong predictor of your health and lifespan. Now, researchers at NYU School of Global Public Health have determined that neighborhood conditions may be driving aging at the cellular level.

This review found that thyroid health depends on more than iodine alone, with selenium, iron, zinc, vitamins, omega-3s, and overall eating patterns all shaping thyroid function and autoimmunity. It also concluded that Mediterranean-style diets are linked to more favorable thyroid outcomes, while unnecessary restrictive diets offer little benefit without a clear medical indication.

Cornell University scientists have taken a major step toward developing a safe, reversible, long-acting and 100% effective nonhormonal male contraceptive, considered the holy grail of male contraception.

A first-of-its-kind study led by the Medical University of South Carolina raises questions about the value of fish oil supplements for people with repetitive mild traumatic brain injuries.

A growing body of research shows that diabetes can be stratified into five different subgroups. Researchers at Lund University have now investigated whether a person's genetic predisposition to different diabetes subgroups can help assess the risk of developing coronary artery disease.

The movement patterns of waterfowl, including ducks, swans and geese, may affect the spread of highly pathogenic avian influenza in bird populations, according to a new study from the University of Georgia.

Cognitive and physical training can help older adults with mild cognitive impairment (MCI) maintain or improve their ability to move and think simultaneously, but hearing ability and sex influence outcomes, according to a new Concordia-led study.

Metformin raised the exercise-linked metabolite Lac-Phe in prostate cancer patients across disease stages and treatment settings, while Lac-Phe itself did not predict anticancer response. Patients in the BIMET-1 metformin arm also showed better weight management during anti-androgen therapy, highlighting a possible metabolic benefit relevant to prostate cancer care.

Researchers combined 11 international resting-state fMRI datasets to map how psychedelic drugs reshape brain connectivity across cortical and subcortical circuits. The mega-analysis found a shared signature of stronger coupling between transmodal association networks and unimodal or sensorimotor systems, alongside selective and variable reductions in within-network connectivity.

MethylScan is a new low-cost cell-free DNA methylome test that removes much of the healthy blood DNA background, helping rare disease signals stand out more clearly. In more than 1,000 people, it showed strong performance for detecting four cancers, classifying liver diseases, and identifying organ-specific damage.