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Neurology

·July 18, 2025·7 min read

Sleeping Brain Reveals Clues to Hidden Disorders

The brain remains highly active during sleep, and mapping this activity can reveal early signs of neurological and sleep disorders. Using rare intracranial EEG data, researchers refined methods to distinguish functional areas of the cerebral cortex based on their unique electrical activity, even at rest.

This shows an older man listening to music.

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·July 17, 2025·5 min read

Music Shows Promise in Easing Distress in Dementia

A new study highlights how music therapy can help ease severe distress in dementia patients on hospital wards. The MELODIC approach embeds a music therapist to deliver sessions and create personalized musical care plans for patients.

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·July 16, 2025·4 min read

Herpesvirus Infections May Accelerate Dementia

A new study finds that prior herpesvirus infections are linked to a faster age-related increase in blood biomarkers associated with dementia, even in cognitively healthy women. Researchers measured five key biomarkers in 167 women and found that seropositivity for HHVs doubled the rate of biomarker accumulation compared to those without prior infection.

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·July 16, 2025·4 min read

Eating Eggs May Help Lower Alzheimer’s Risk

A large cohort study of older adults found that eating at least one egg per week was linked to a significantly lower risk of Alzheimer’s dementia. Participants who consumed eggs more frequently also showed less Alzheimer’s-related pathology in their brains at autopsy.

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·July 16, 2025·4 min read

3D-Printed Implant Offers New Hope for Spinal Cord Repair

Scientists have developed a 3D-printed implant that delivers targeted electrical stimulation to damaged areas of the spinal cord, promoting nerve regeneration. The implant mimics the spinal cord’s structure with a fine, electrically conductive mesh, boosting neuron and stem cell growth in lab tests.

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·July 15, 2025·7 min read

Tiny Brain Region Orchestrates How We Segment and Remember Life Events

Our memories don’t flow like a continuous stream—they’re divided into meaningful events, thanks to a tiny brain region called the locus coeruleus. New research shows this region acts like a “reset button,” activating at event boundaries to signal the hippocampus to store distinct memories.

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·July 15, 2025·5 min read

Dogs Can Sniff Out Parkinson’s Disease

Trained detection dogs can identify Parkinson’s disease (PD) with remarkable accuracy by sniffing skin swabs, according to a new study. In double-blind trials, the dogs achieved up to 80% sensitivity and 98% specificity, even when samples came from patients with other health conditions.

This shows a man, a brain, and blood vials.

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·July 14, 2025·6 min read

Middle-Age Clues: Blood Biomarkers Signal Alzheimer’s Risk Early

New research shows that signs of Alzheimer’s disease can already be detected in the blood of people as young as their 40s. Finnish scientists found elevated Alzheimer’s-related biomarkers in middle-aged adults, especially among those with maternal history or kidney disease.

This shows a brain and a packet of sweetener.

Featured Neurology Neuroscience

·July 14, 2025·5 min read

Common Sweetener May Raise Stroke Risk by Altering Brain Cells

A common sugar substitute, erythritol, widely used in “sugar-free” and low-carb products, may increase stroke risk by damaging brain blood vessel cells. A new study found that erythritol exposure reduced nitric oxide, increased vessel constrictors, impaired clot-busting abilities, and boosted free radical production in these cells.

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·July 14, 2025·8 min read

Why Women Face Higher Alzheimer’s Risk

Women are nearly twice as likely as men to develop Alzheimer’s disease, a disparity that can’t be fully explained by longevity alone. Researchers are exploring biological differences, focusing on X chromosome-linked genes and hormonal shifts like menopause.

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·July 13, 2025·5 min read

Weekly Injection Could Revolutionize Parkinson’s Treatment

Researchers have developed a long-acting weekly injection that delivers steady doses of levodopa and carbidopa, potentially transforming care for Parkinson’s disease. The biodegradable injectable maintains consistent drug levels, reducing the need for multiple daily pills and improving patient adherence.

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·July 12, 2025·5 min read

Gene Key to MS Immune Regulation Discovered

New research has identified the gene Egr-1 as a critical regulator of immune balance, offering hope for autoimmune disease therapies. In a mouse model of multiple sclerosis, loss of Egr-1 led to reduced regulatory T cell activity and heightened inflammation. T