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Does motherhood influence brain aging? New research suggests a positive cognitive association

Longitudinal data from postmenopausal women suggest that cumulative pregnancy duration and breastfeeding history are associated with modestly better cognitive performance later in life. These associations reflect higher cognitive trajectory levels rather than proven slowing of decline, and causality remains uncertain.

5 Feb 2026

Study elucidates key steps in the ubiquitin tagging of mutated huntingtin protein

Researchers have elucidated key steps in the ubiquitin tagging of the mutated huntingtin protein, providing hope for future therapies.

5 Feb 2026

Stem cell implants aim to restore dopamine in Parkinson’s disease

Parkinson's disease is a progressive neurodegenerative disorder that affects more than one million people in the United States, with approximately 90,000 new cases diagnosed each year.

5 Feb 2026

Inhibiting PTP1B protein improves memory in Alzheimer’s disease models

Alzheimer's disease is often measured in statistics: millions affected worldwide, cases rising sharply, costs climbing into the trillions.

5 Feb 2026

Ulcerative proctitis not linked to increased rectal cancer risk

People with ulcerative proctitis, a milder and more limited form of ulcerative colitis, are not at higher risk of developing rectal cancer than the general population.

5 Feb 2026

New report highlights a rare case of 5-fluorouracil-induced hyperammonemic encephalopathy

A new case report was published in Volume 12 of Oncoscience on December 23, 2025, titled "Silent toxicity: A rare case of 5-fluorouracil-induced hyperammonemic encephalopathy."

5 Feb 2026

Reprogrammed neutrophils promote tumor growth

Predicting tumor progression is one of the major challenges in oncology. Scientists at the University of Geneva (UNIGE) and the Ludwig Institute for Cancer Research have discovered that neutrophils, a type of immune cell, undergo reprogramming when they come into contact with the tumor ecosystem and contribute to its progression.

5 Feb 2026

Study calls for inclusive dementia research practices in Canada

A new Canadian study has found that people living with dementia (PLWD) are often excluded from research due to assumptions of incapacity and variations in institutional processes.

5 Feb 2026

AI-enabled stethoscope doubles detection of valvular heart disease

New research shows that the use of an AI-enabled digital stethoscope more than doubled the identification of moderate to severe valvular heart disease during routine clinical examinations, compared to a traditional stethoscope.

5 Feb 2026

EBV-linked killer T cells implicated in multiple sclerosis

Researchers at UC San Francisco have uncovered a new clue to how Epstein-Barr virus (EBV) could contribute to multiple sclerosis (MS), a chronic autoimmune disease that affects nearly one million Americans.

5 Feb 2026

Severe pregnancy sickness doubles postpartum depression risk

Severe nausea and vomiting during pregnancy may elevate postpartum depression risk, suggesting the need for early detection and tailored maternal support.

5 Feb 2026

New survey reveals widespread myths about Hands-Only CPR

New consumer survey findings from the American Heart Association show that nearly six in every ten American adults still incorrectly believe only those with special training should perform Hands-Only CPR.

4 Feb 2026

Therapeutic potential of engineered extracellular vesicles in osteoarthritis

Announcing a new article publication for BIO Integration journal. Extracellular vesicles (EVs) are membrane-bound nanoparticles secreted by cells and have emerged as promising therapeutic agents for osteoarthritis (OA).

4 Feb 2026

Carotid artery procedures do not improve cognitive performance

Improving blood flow to the brain by opening a narrowed neck artery may not improve patients' cognitive skills, according to a preliminary late-breaking science presentation at the American Stroke Association's International Stroke Conference 2026.

4 Feb 2026

Post-thrombectomy alteplase linked to better stroke outcomes

Giving the clot-busting medication alteplase at the site of a blocked brain artery after blood clot removal may increase the number of patients who fully recover, according to preliminary late-breaking science presented at the American Stroke Association's International Stroke Conference 2026.

4 Feb 2026

Metformin linked to lower odds of intermediate macular degeneration in people with diabetes

A five-year image-based study in people with type 2 diabetes found metformin use was associated with lower odds of developing intermediate age-related macular degeneration. The observational findings suggest a potential protective link but do not establish causation and warrant prospective clinical trials.

4 Feb 2026

Mediterranean diet may protect women against all stroke types

Following a Mediterranean diet is associated with a lower risk of all types of stroke among women, according to a study published on February 4, 2026, in Neurology Open Access, an official journal of the American Academy of Neurology.

4 Feb 2026

Five mutation patterns shape how cancers evade immunity

Cancer cells carry thousands of mutations, but not all mutations are created equal. Some make tumors highly visible to the immune system, while others help cancers hide.

4 Feb 2026

Autism diagnosis rates equalize between males and females

Autism has long been viewed as a condition that predominantly affects male individuals, but a study from Sweden published by The BMJ shows that autism may actually occur at comparable rates among male and female individuals.

4 Feb 2026

Study finds ADHD symptoms linked to higher internet addiction risk in college students

A cross-sectional study of Chinese college students found ADHD symptoms were associated with internet addiction, with insomnia and executive dysfunction acting as mediating factors. Moderate and high physical activity levels were also linked with lower internet addiction symptoms, although causality cannot be inferred.

4 Feb 2026