Nervous System News and Research

Latest Nervous System News and Research

Chronic insomnia linked to faster cognitive decline and brain changes

People with chronic insomnia may experience faster declines in memory and thinking skills as they age-along with brain changes that can be seen on imaging scans-than people who do not have chronic insomnia, according to a study published in the September 10, 2025, issue of Neurology, the medical journal of the American Academy of Neurology.

10 Sep 2025

Exploring whether chemotherapy disrupts biological clock in the brain to impair circadian rhythms

During and after chemotherapy, nearly half of cancer patients endure circadian rhythm disruptions, which worsens treatment side effects.

9 Sep 2025

Many patients undergoing surgery for early-stage cancer continue or start opioid prescriptions

New research indicates that many patients who undergo surgery with the intent to cure early-stage cancer continue or start opioid prescriptions in the year following surgery.

8 Sep 2025

Wearable health trackers reveal how accurate your smartwatch really is

Researchers compare the different health parameters measured by common wearable sensors used by consumers.

8 Sep 2025

Neuritin 1 unlocks new pathway to treat obesity without reducing food intake

Is it possible to treat obesity without reducing food intake? A new study co-led by Dr. Antonio Zorzano and Dr. Manuela Sánchez-Feutrie at the Institute for Research in Biomedicine (IRB Barcelona) suggests that this might be a possibility, at least in animal models.

4 Sep 2025

Study links high intake of artificial sweeteners to faster cognitive decline

Some sugar substitutes may come with unexpected consequences for long-term brain health, according to a study published in the September 3, 2025, issue of Neurology, the medical journal of the American Academy of Neurology.

3 Sep 2025

Depressive symptoms may interfere with learning to actively avoid unpleasant events

Depression alters how people pursue rewards, but, conversely, whether depressive symptoms influence how people learn to avoid nonrewarding, unpleasant events is less clear.

1 Sep 2025

Brain pulsations driving glymphatic function differ in narcolepsy patients and healthy individuals

A hormone produced by the brain, orexin, may play a central role in the functioning of the brain’s glymphatic system, which clears waste, according to a new study from the University of Oulu.

1 Sep 2025

Cancer-related nerve injury triggers inflammation and immunotherapy resistance

Cancer cells can break down the protective covers around nerves, causing nerve injury that triggers chronic inflammation leading to immune exhaustion and eventual resistance to immunotherapy, according to new research from The University of Texas MD Anderson Cancer Center.

1 Sep 2025

Herpes zoster vaccination linked to lower risk of heart attack and stroke

A new global systematic literature review and meta-analysis has shown that herpes zoster vaccination, used to prevent shingles, is associated with a statistically significant lower risk of heart attack and stroke.

29 Aug 2025

Signaling mechanisms driving olfactory neurogenesis in zebrafish

Cellular differentiation of stem cells into specialized cells requires many steps, including division, to create more cells; fate determination, which is a commitment to a specific lineage or developmental path; and migration, to integrate the cell into its final location.

29 Aug 2025

Cardiovascular outcomes worsen in patients with mental health conditions

Every 34 seconds, someone in the United States dies from heart disease. As nearly half of the country suffers from some form of cardiovascular disease (CVD), another 1 in 4 adults experience a mental health disorder in their lifetime, signaling an inevitable overlap.

28 Aug 2025

Gut disorders forecast Alzheimer’s and Parkinson’s risk years before diagnosis

Study maps clinical, genetic, and proteomic links between gut-brain disorders and neurodegeneration, showing how diabetes, vitamin D deficiency, and bowel disorders forecast Alzheimer’s and Parkinson’s years in advance. Multimodal models in biobanks highlight early detection and personalized prevention opportunities.

28 Aug 2025

Researchers develop novel exosome-based therapeutic agent for treating traumatic CNS injuries

Traumatic injuries of the central nervous system (CNS)-such as traumatic brain injury (TBI) and traumatic spinal cord injury (SCI)-are characterized by oxidative damage and neuroinflammation.

28 Aug 2025

Native Hawaiian and Pacific Islander people face highest stroke rates in the U.S.

A new study found that Native Hawaiian or Pacific Islander people had the highest rate of stroke among people from other race and ethnic groups, with a rate more than three times higher than that of white people.

28 Aug 2025

New swallowable device enables noninvasive gut nerve stimulation

Scientists have long struggled with how to study the gut's vast nervous system - often called the body's 'second brain' - without damaging it.

28 Aug 2025

Hormone therapy type may influence postmenopausal cognitive health

The type of estradiol-based hormone therapy taken during and after menopause, such as patches or pills, may be associated with differences in memory performance, according to a study published on August 27, 2025, in Neurology, the medical journal of the American Academy of Neurology.

28 Aug 2025

Multi-analyte test accurately identifies brain cancers using cerebrospinal fluid

A novel, multi-analyte test developed by researchers at the Johns Hopkins Kimmel Cancer Center, its Ludwig Center and the Johns Hopkins Department of Neurosurgery can accurately identify brain cancers using small samples of cerebrospinal fluid (CSF), offering a promising new tool to guide clinical decision-making.

27 Aug 2025

Routine eye exams may help detect Alzheimer’s years before symptoms appear

Within the next few years, doctors may be able to spot signs of Alzheimer's disease and other dementias using routine eye exams well before symptoms appear, a new study suggests.

27 Aug 2025

Transcutaneous vagal nerve stimulation shows promise for gastrointestinal disorders

Imbalanced autonomic function, characterized by reduced vagal activity and sympathetic dominance, is increasingly recognized in various gastrointestinal (GI) disorders.

27 Aug 2025

Nervous System News and Research

Latest Nervous System News and Research

Chronic insomnia linked to faster cognitive decline and brain changes

Exploring whether chemotherapy disrupts biological clock in the brain to impair circadian rhythms

Many patients undergoing surgery for early-stage cancer continue or start opioid prescriptions

Wearable health trackers reveal how accurate your smartwatch really is

Neuritin 1 unlocks new pathway to treat obesity without reducing food intake

Study links high intake of artificial sweeteners to faster cognitive decline

Depressive symptoms may interfere with learning to actively avoid unpleasant events

Brain pulsations driving glymphatic function differ in narcolepsy patients and healthy individuals

Cancer-related nerve injury triggers inflammation and immunotherapy resistance

Herpes zoster vaccination linked to lower risk of heart attack and stroke

Signaling mechanisms driving olfactory neurogenesis in zebrafish

Cardiovascular outcomes worsen in patients with mental health conditions

Gut disorders forecast Alzheimer’s and Parkinson’s risk years before diagnosis

Researchers develop novel exosome-based therapeutic agent for treating traumatic CNS injuries

Native Hawaiian and Pacific Islander people face highest stroke rates in the U.S.

New swallowable device enables noninvasive gut nerve stimulation

Hormone therapy type may influence postmenopausal cognitive health

Multi-analyte test accurately identifies brain cancers using cerebrospinal fluid

Routine eye exams may help detect Alzheimer’s years before symptoms appear

Transcutaneous vagal nerve stimulation shows promise for gastrointestinal disorders

Everything you need to know about epilepsy eBook

Redefining control and consistency in anaerobic microbiome workflows

AI in Healthcare: How generative tools are transforming clinical practice

The future of automation: Machine learning–driven hepatocyte and organoid counting

Nervous System News and Research

Latest Nervous System News and Research

Everything you need to know about epilepsy eBook

Redefining control and consistency in anaerobic microbiome workflows

AI in Healthcare: How generative tools are transforming clinical practice

The future of automation: Machine learning–driven hepatocyte and organoid counting

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