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© 2026 Developments Today. All rights reserved.

brain health Articles | Developments Today

Scientists discover a surprising brain benefit of eating peanuts every day

Daily peanuts linked to improved brain insulin response in older adults

The study involved 31 healthy adults aged 60 to 75.
Participants ate 60 grams of unsalted, skin-roasted peanuts daily for 16 weeks.
Researchers reported improved insulin responsiveness in several memory-related brain regions.
The finding does not establish prevention or treatment of Alzheimer’s disease.

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DT Editorial Team·Nov 1, 2026·via sciencedaily.com

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Mouse study reveals molecular link between high-fat diets and impaired brain function

Mouse Study Links High-Fat Diets to Synapse-Related RNA Changes

High-fat feeding reduced PQBP1 expression in the mouse study.
The change was associated with altered splicing of genes involved in synaptic function.
Pioglitazone and AAV-PQBP1 improved reported synaptic and cognitive outcomes in mice.

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DT Editorial Team·Oct 21, 2026·via medicalxpress.com

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Daily peanut consumption beneficially affects brain insulin responsiveness, new research finds

Peanut Intake Linked to Brain Insulin Response in Older Adults

Researchers studied daily unsalted, skin-roasted peanut consumption over 16 weeks.
A beneficial insulin-response change appeared in a right-hemisphere cluster including memory-related regions.
The finding concerns a physiological brain response, not proof that peanuts prevent cognitive disease.

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DT Editorial Team·Oct 11, 2026·via medicalxpress.com

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Dysregulated adult hippocampal neurogenesis in major depressive disorders | Nature Medicine (via www.nature.com)

Stalled Neurogenesis in Major Depression: Largest Human Hippocampus Atlas Reveals New Targets

Study constructs the largest multiomic atlas of the adult human hippocampus from nonmedicated MDD individuals and controls.
Identifies a neurogenic lineage in the subgranular zone and shows evidence of a stalled neurogenic process in MDD.
Stalling is associated with transcriptional regulation, stress-related reprogramming, and interferon signaling across developmental stages.
Excitatory and inhibitory neurons show dysregulated transcription factor networks affecting cell states.

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DT Editorial Team·Aug 23, 2026·via nature.com

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Survey shows Americans want to start brain health habits earlier

Most Americans Want to Start Brain Health Habits Before 40, Survey Finds

Survey of 1,000 U.S. adults finds 60% want to prioritize brain health earlier but don't know how.
Dr. Douglas Scharre recommends starting brain-healthy habits in middle age or younger.
Habits include exercise, sleep, Mediterranean diet, socializing, and mental stimulation.
Building brain reserve may delay memory decline.

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DT Editorial Team·Aug 12, 2026·via medicalxpress.com

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Fish on trial: Does this 'brain food' help prevent Alzheimer's disease?

Fish Intake and Alzheimer's Risk: New Study Challenges 'Brain Food' Claims

Study used target trial emulation to reduce biases in observational data.
No clear evidence that increasing fish intake alone lowers long-term Alzheimer's risk.
Fish remains a healthy food but not a standalone preventive measure.
Alzheimer's affects 6.9 million US adults, projected to double by 2060.

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DT Editorial Team·Aug 11, 2026·via medicalxpress.com

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New drug 'Lecanemab' slows the effects of Alzheimer's disease (via www.openaccessgovernment.org)

Alzheimer’s patients seeking lecanemab often skip brain-health basics

Researchers studied 150 patients seeking anti-amyloid therapy and 117 who were not.
Fewer than 3% of patients followed all 15 brain-health recommendations assessed.
Patients pursuing lecanemab did not show significantly better adherence than the comparison group.

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DT Editorial Team·Aug 9, 2026·via medicalxpress.com

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‘Heading’ the ball linked to spikes in neural damage biomarkers

Soccer heading tied to immediate spikes in brain injury biomarkers

A Nature Medicine research highlight says heading the ball in a single match was followed by immediate biomarker increases.
The reported biomarkers were p-Tau217 and S100B, both associated with neural damage.
The dose-response pattern suggests greater heading exposure produced larger biomarker changes.

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DT Editorial Team·Aug 3, 2026·via nature.com

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Less sugar early in life may reduce the risk of Alzheimer's

Early-life sugar limits linked to lower Alzheimer's risk

Researchers analyzed 60,394 UK Biobank participants born between 1951 and 1956.
People exposed to sugar restriction during the first 1,000 days after conception had lower later-life risks of dementia and Alzheimer's.
The study used postwar U.K. rationing as a natural experiment rather than a randomized trial.

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DT Editorial Team·Jul 29, 2026·via medicalxpress.com

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Heavy TV watching associated with smaller brain structures, study finds

Frequent midlife TV viewing linked to smaller brain structures in later life

Researchers analyzed about 1,700 adults from the ARIC cohort and compared midlife TV habits with later MRI findings.
Frequent TV viewing was associated with smaller memory-related brain areas and greater white matter damage.
The study suggests what people do while sitting may matter more than sedentary time alone.

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DT Editorial Team·Jul 20, 2026·via medicalxpress.com

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Brain Health as Economic Driver: New Commission Launches Data-Driven Framework

The Brain Health for Economic Resilience Commission was announced in Nature Medicine on June 10, 2026.
It is a global, transdisciplinary effort to define, measure, and operationalize brain health as a driver of economic resilience.
The commission is co-chaired by Harris A. Eyre, Rym Ayadi, and Agustín Ibáñez, with experts from Rice University, Euro-Mediterranean Economists Association, and Latin American Brain Health Institute.
The initiative aims to develop data-driven metrics linking cognitive capacity to economic outcomes, informing policy and investment.

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DT Editorial Team·Jun 10, 2026·via nature.com

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Short exposures to common air pollutants have distinct impacts on lung function and brain activity, study shows

Short bursts of everyday air pollution can change breathing and brain responses within hours

A double-blind study exposed 15 volunteers to several real-world pollution mixtures and clean air.
Researchers found distinct respiratory and brain-related effects within four hours of exposure.
The study argues that pollution source matters as much as pollutant quantity.

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DT Editorial Team·May 25, 2026·via medicalxpress.com

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A Study on Everyday Air Pollution Adds Brain Function to the Health Risks List

McMaster University research links daily fine-particle pollution exposure to poorer brain function.
The sources named in the report include traffic, industry and wildfire smoke.
The finding broadens concern about air pollution beyond lung and heart health.

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DT Editorial Team·May 13, 2026·via medicalxpress.com

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Hong Kong Team Unveils Nasal Powder Stroke Treatment Aimed at the Minutes Before Hospital Care

Researchers developed a NanoPowder nasal spray intended for prehospital ischemic stroke treatment.
The delivery system uses a nose-to-brain pathway to bypass the blood-brain barrier.
The team says early use could save time, protect brain cells, and reduce complications.

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DT Editorial Team·May 10, 2026·via medicalxpress.com

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Brain function evaluations to be part of Marine health records

Marine Corps moves brain-function screening into routine health records

High-risk Marines began baseline ANAM brain-function testing in February.
ANAM data is scheduled to become part of periodic health assessments by September 2026.
The Corps is also adjusting training practices to reduce unnecessary blast exposure.

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DT Editorial Team·Apr 30, 2026·via defensenews.com

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Symptoms of early dementia reversed by bespoke treatment plans

Personalized Treatment Plans Show Improvement in Early Dementia Study

Researchers studied 73 people with mild cognitive impairment or early dementia.
Treatment plans targeted personal risk factors such as deficiencies, infections, hormones, and exposures.
The study reported improvements in memory and day-to-day functioning.

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DT Editorial Team·Apr 24, 2026·via newscientist.com

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Researchers link smoking-related lung signals to brain iron imbalance in dementia study

The report explores a possible mechanism linking smoking and dementia risk.
Researchers suggest lung-derived exosomes may disrupt iron balance in the brain.
The source notes prior work associating heavy midlife smoking with much higher dementia risk.

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DT Editorial Team·Apr 9, 2026·via medicalxpress.com

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Weekly Home Cooking May Slash Dementia Risk by 30% in Older Adults

Home cooking at least once per week is linked to a 30% lower dementia risk in older adults per new research
The cognitive benefits stem from cooking's multi-domain demands: planning, memory, attention, and motor coordination
The threshold for benefit is low — even simple weekly meals appear to confer protection, making the habit broadly accessible

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DT Editorial Team·Mar 25, 2026·via medicalxpress.com

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