Parkinson's News

June 26, 2025

Top Headlines

Zika Virus Uses Cells' 'Self-Care' System to Turn Against Host

May 27, 2025 — A new study reveals the biological secret to the Zika virus's infectious success: Zika uses host cells' own 'self-care' system of clearing away useless molecules to suppress the host proteins that the virus has employed to get into those cells in ...

Potential New Treatment for Alzheimer's Disease, Other Neurodegenerative Conditions

May 26, 2025 — Worldwide, more than 55 million people suffer from dementia caused by Alzheimer's Disease (AD) and other conditions that destroy cells in the brain and nervous system. While there is no treatment to ...

Study Reveals Impacts of Alzheimer's Disease on the Whole Body

May 17, 2025 — While Alzheimer's disease is mostly considered a disorder of the brain, emerging evidence suggests that the condition also affects other organs of the body. Working with the laboratory fruit fly, researchers provide a new understanding of how ...

Impact of Oft-Overlooked Cell in Brain Function Revealed

May 15, 2025 — An often-ignored type of cell in the brain plays a dynamic and surprisingly complex role in our ability to process information, according to new ...

'Sweet Spot' for Focused Ultrasound to Provide Essential Tremor Relief

May 14, 2025 — For millions of people around the world with essential tremor, everyday activities from eating and drinking to dressing and doing basic tasks can become impossible. This common neurological movement disorder causes uncontrollable shaking, most often ...

Scientists Discover New Way the Brain Learns

May 14, 2025 — Neuroscientists have discovered that the brain uses a dual system for learning through trial and error. This is the first time a second learning system has been identified, which could help explain how habits are formed and provide a scientific ...

Hormone Cycles Shape the Structure and Function of Key Memory Regions in the Brain

May 13, 2025 — Hormone levels fluctuate like the tides, ebbing and flowing according to carefully orchestrated cycles. These hormones not only influence the body, but can cross into the brain and shape the behavior ...

Eating Ultra Processed Foods May Speed Up Early Signs of Parkinson's Disease

May 8, 2025 — People who eat more ultra processed foods like cold breakfast cereal, cookies and hot dogs are more likely to have early signs of Parkinson's disease when compared to those who eat very few ultra ...

Discovery of Dopamine Receptors in a Previously Overlooked Part of the Brain Sheds Light on the Complex Circuitry for Anxiety and Depression

May 7, 2025 — Researchers have discovered distinct roles for two dopamine receptors located on nerve cells within the portion of the brain that controls approach vs. avoidance ...

Study Finds One Protein That Mitigates Huntington's Disease, and One That Exacerbates It

May 6, 2025 — Researchers found that inhibiting GSK-3 led to less defects in the axonal transport process and less neuronal cell death, while inhibiting ERK1 led to more transport problems and more cell ...

Dopamine Signals When a Fear Can Be Forgotten

May 4, 2025 — A new study shows how a dopamine circuit between two brain regions enables mice to extinguish fear after a peril has ...

Molecular Double Agent: Protein 'Eato' Plays Surprising Role in Protecting the Brain

May 4, 2025 — A team of researchers has made a discovery in fruit flies that could change the way we understand brain diseases like Alzheimer's and Parkinson's in humans. The scientists found that Eato -- a ...

Latest Headlines

updated 1:16pm EDT

Neuroestrogen: The Brain's Secret Weapon Against Hunger

May 4, 2025 — Estrogens are known for their role in reproduction, but a new study reveals that neuroestrogens -- estrogens produced in the brain -- play a key role in appetite regulation. These brain-made hormones ...

How Dopamine Helps Us Learn to Avoid Bad Outcomes

Apr. 22, 2025 — Dopamine is the brain's motivational spark, driving us to chase what feels good, say scrolling another reel on social media, and steer clear of what doesn't, like touching a hot stove. But scientists ...

Engineered Microglia Show Promise for Treating Alzheimer's and Other Brain Diseases

Apr. 21, 2025 — A new way to deliver disease-fighting proteins throughout the brain may improve the treatment of Alzheimer's disease and other neurological ...

Integrative Approach Reveals Promising Candidates for Alzheimer's Disease Risk Factors or Targets for Therapeutic Intervention

Apr. 19, 2025 — A new study provides solutions to the pressing need to identify factors that influence Alzheimer's disease (AD) risk or resistance while providing an ...

How Disturbed Signaling Pathways Could Promote Epileptic Seizures

Apr. 16, 2025 — Focal cortical dysplasia (FCD) type 2 is a congenital malformation of the cerebral cortex that is often associated with difficult-to-treat epilepsy. In the affected areas, nerve cells and their layer ...

Hereditary Alzheimer's: Blood Marker for Defective Neuronal Connections Rises Early

Apr. 16, 2025 — Individuals with a genetic predisposition to Alzheimer's disease show altered blood levels indicating damaged neuronal contacts as early as 11 years ...

AI Tool to Better Assess Parkinson's Disease, Other Movement Disorders

Apr. 14, 2025 — A groundbreaking open-source computer program uses artificial intelligence to analyze videos of patients with Parkinson's disease and other movement disorders. The tool, called VisionMD, helps ...

Scientists Identify Key Enzyme in Alzheimer's Disease That Links Brain Inflammation to Memory Loss

Apr. 14, 2025 — A research team has identified a previously unknown enzyme, SIRT2, that plays a key role in memory loss associated with Alzheimer's disease (AD). The ...

Brain Pathway Links Inflammation to Loss of Motivation, Energy in Advanced Cancer

Apr. 14, 2025 — Researchers identified a direct connection between cancer-related inflammation and the loss of motivation characteristic of advanced cancer. In a ...

How Mothers Adapt to the Metabolic Demands of Nursing

Apr. 13, 2025 — Nursing poses major metabolic demands on mothers, to which they respond by eating more and saving energy to sustain milk production. There are significant hormonal changes during lactation, but how ...

What Links Cannabis Use and Psychosis? Researchers Point to Brain's Dopamine System

Apr. 9, 2025 — A new study found that people with cannabis use disorder (CUD) had elevated dopamine levels in a brain region associated with ...

PET Imaging Confirms Direct Involvement of Dopamine in Cognitive Flexibility

Mar. 28, 2025 — Scientists have confirmed a neurobiochemical link between dopamine and cognitive flexibility. PET imaging shows that the brain increases dopamine production when completing cognitively demanding ...

Scientists Discover Why Obesity Takes Away the Pleasure of Eating

Mar. 26, 2025 — Many obese people report losing pleasure in eating rich foods -- something also seen in obese mice. Scientists have now discovered the reason. Long-term high-fat diets lower levels of neurotensin in ...

ADHD May Be Associated With an Increased Risk of Dementia

Mar. 25, 2025 — An adult brain affected by attention deficit disorder with or without hyperactivity (ADHD) presents modifications similar to those observed in individuals suffering from dementia. These are the ...

AI Technology Improves Parkinson's Diagnoses

Mar. 19, 2025 — AI-driven software is 96% accurate at diagnosing ...

New Clue on What Is Leading to Neurodegenerative Diseases Like Alzheimer's and ALS

Mar. 14, 2025 — Researchers have revealed a new scientific clue that could unlock the key cellular pathway leading to devastating neurodegenerative diseases like Alzheimer's disease and amyotrophic lateral ...

New Members of the CDKL Family of Genes Linked to Neurodevelopmental Disorders

Mar. 14, 2025 — Researchers have deepened our understanding of two of the five members of the CDKL family of genes, CDKL2 and CDKL1. They show that variants in these genes can lead to neurodevelopmental conditions, ...

Scientists Solve Decades-Long Parkinson's Mystery

Mar. 13, 2025 — Researchers have made a huge leap forward in the fight against Parkinson's disease, solving a decades-long mystery. In a major breakthrough, they have been able to see the human PINK1 protein ...

Thinking Outside the Box: Uncovering a Novel Approach to Brainwave Monitoring

Mar. 13, 2025 — Researchers have found a new way to more precisely detect and monitor brain cell activity during deep brain stimulation, a common treatment for movement disorders such as Parkinson's disease and ...

Dopamine's Unexpected Role in Memory Devaluation

Mar. 12, 2025 — New research expands on current understanding of the brain chemical dopamine, finding that it plays a role in reducing the value of memories associated with rewards. The study opens new avenues for ...

Dopamine Signals in Primate Brains

Mar. 12, 2025 — We're all familiar with Pavlovian conditioning, in which a reward-anticipatory behavior follows a reward-predicting stimulus. Perhaps you experience it yourself when passing a cafe or restaurant ...

Clinical Trial Tests Novel Stem-Cell Treatment for Parkinson's Disease

Mar. 9, 2025 — A recently launched Phase 1 clinical trial is examining the safety and feasibility of a groundbreaking treatment approach for Parkinson's disease in which a patient's stem cells are ...

Artificial Muscles for Tremor Suppression

Mar. 6, 2025 — Scientists have developed a biorobotic arm that can mirror human tremors, such as those experienced by individuals that live with Parkinson's disease. Artificial muscles on either side of the ...

Immune Cells May Lead to More Parkinson's Cases in Men

Feb. 25, 2025 — The new research reveals how a protein in brain cells may drive Parkinson's onset -- and offers a possible explanation for why Parkinson's is much more common in ...

Role of Hormone in Influencing Brain Reward Pathway and Food Preferences

Feb. 25, 2025 — When faced with multiple food options and ultimately choosing one, the factors of that decision-making process may be more physiological than previously assumed. A group of scientists recently ...

How Humans Learn to Optimize Working Memory

Feb. 24, 2025 — Working memory is what allows humans to juggle different pieces of information in short-term scenarios, like making a mental grocery list and then going shopping or remembering and then dialing a ...

Brain-Wide Activity Change Visualized as Geometric Patterns

Feb. 21, 2025 — Researchers have applied a visualization technique to depict the brain's activity related to visual perception as geometric patterns. They visualized different shapes as the ever-changing ...

New Study Uncovers How Genes Influence Retinal Aging and Brain Health

Feb. 18, 2025 — Researchers used mice with nine different genetic backgrounds to identify factors influencing eye aging, paving the way for eye-based diagnostics for neurodegenerative ...

Cholesterol Metabolism Byproduct Linked to Parkinson's Disease

Feb. 18, 2025 — Researchers have discovered a cholesterol metabolite that plays a critical role in the development of Parkinson's disease in mice. The study shows that this metabolite is responsible for the ...

Worm Study Shows Hyperactivated Neurons Cause Aging-Related Behavioral Decline

Feb. 13, 2025 — Researchers found that excessively activated neurons over time, rather than decreased neuronal activity, cause aging-related decline in brain function in ...