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Study links cannabis legalization to sharp rise in adolescent psychiatric emergencies

In November 2018, retailers in Massachusetts began selling recreational cannabis to adults 21 years and older.

3 Dec 2025

'Dry January' can lead to meaningful physical and psychological improvements

With the new year on the horizon and resolutions brewing, more people are saying cheers to a booze-free January, a choice that might come with some real health benefits and, ultimately, help some people cut back for good.

3 Dec 2025

New analysis reveals fundamental flaws in widely used measures of biological aging

A landmark review published today in Genomic Psychiatry challenges researchers to fundamentally reconsider how the field measures and conceptualizes biological aging.

3 Dec 2025

Sugar alcohol sorbitol may increase the risk of developing steatotic liver disease

Sweeteners such as aspartame, found in Equal packets, sucralose (Splenda), or sugar alcohols are often seen as healthier alternatives to food with refined sugar (glucose).

3 Dec 2025

Prehabilitation helps reduce disability after surgery in frail older adults

A large clinical trial published in JAMA Surgery shows that prehabilitation (also called prehab) can reduce disability after surgery in older adults with frailty, provided they are able to fully take part in the prehab program.

3 Dec 2025

Researchers highlight blind spots in dual diagnosis of schizophrenia and personality disorder

A new study by a research team at Université de Montréal highlights a critical lack of knowledge about the cognitive profiles of people living with both schizophrenia and a personality disorder.

3 Dec 2025

New investment aims to accelerate treatments for low-grade brain tumors

Researchers focused on accelerating and testing new treatments for low-grade brain tumors are set to receive a transformative £2.8 million to drive their future work.

3 Dec 2025

Study finds major gaps in cholesterol management among adults with cardiovascular disease

The Family Heart Foundation, a leading research and advocacy organization, published new research in the American Journal of Preventive Cardiology revealing significant gaps in cholesterol management during 2022-23 among U.S. adults with atherosclerotic cardiovascular disease (ASCVD).

3 Dec 2025

Gut bacteria produce immune-boosting compounds in response to tetracyclines

The microbes inside our bodies not only help break down food but also impact our health. Yet their precise influence is not always understood, especially in the presence of prescription drugs.

3 Dec 2025

Scientists reveal new mechanisms of electrical oscillations in neurons

Researchers at UT San Antonio have uncovered new details about electrical signals happening within nerve cells, deepening scientists' understanding of the brain.

3 Dec 2025

Study finds link between Pg-induced periapical disease and systemic metabolic dysfunction

New study examines the oral pathogen Porphyromonas gingivalis (Pg) and suggests its influence may extend beyond dental tissues.

3 Dec 2025

Parental permissiveness may influence binge drinking among college students

College students who binge drink may be acting on influences they brought from home, a new Washington State University-led study suggests.

3 Dec 2025

Breast cancer reshapes lymphatic vessels to support its spread

Breast cancer is able to modify the lymphatic vessels through which it travels to the draining lymph nodes. From there, it can then spread to other parts of the body.

3 Dec 2025

Human 3D brain model helps uncover mechanisms of preterm cerebral hemorrhage

In an article published in Advanced Science, the researchers identify how neural stem cells in preterm infants are injured following cerebral hemorrhage.

3 Dec 2025

Human gene maps show widespread gaps in non-European representation

Human gene maps contain major blind spots because they were built largely from the DNA sequences of people with European ancestry, according to a study published today in Nature Communications.

3 Dec 2025

Medical cannabis evidence falls short for most conditions

Medical cannabis lacks adequate scientific backing for most of the conditions it is commonly used to treat, including chronic pain, anxiety and insomnia, according to a comprehensive review led by UCLA Health.

3 Dec 2025

Recurrent strokes can be avoided with optimal prevention and follow-up

Patients who have had a stroke are prescribed medication to prevent new strokes. Nevertheless, fewer than half achieve the optimal treatment targets.

3 Dec 2025

How anger and injustice shape the course of chronic pain

We all know stress can worsen pain, but new research shows that anger and a sense of injustice may be even more powerful triggers. In a study of more than 700 people living with chronic pain, researchers uncovered four distinct "anger profiles" that help explain why some patients hurt more, and longer, than others.

3 Dec 2025

Accessible parks, not just greenery, can increase everyday physical activity

The health benefits of nature are well-known, but its role in encouraging day-to-day physical activity across different regions and demographics has been less clear.

3 Dec 2025

Understanding why simple images feel more aesthetically pleasing

Humans may find images that take less energy to process aesthetically pleasing, suggesting that our attraction to beauty is at least partially an energy conservation strategy.

3 Dec 2025