Dopaminergic News and Research

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Eating habits tied to Parkinson’s risk: sweets and processed meats raise odds, fruit lowers them

In a large Italian case-control study, researchers identified data-driven dietary patterns linked to Parkinson’s disease risk. Diets rich in sweets, red and cured meats were associated with higher odds of PD, while fruit, especially citrus, was protective.

29 Oct 2025

Hydroxytyrosol from olives shows new promise as a brain-protective compound

This review highlights hydroxytyrosol's role as a neuroprotective agent, activating key pathways for mental and vascular health through olive-derived compounds.

29 Oct 2025

Precursor of dopamine increases willingness to wait for larger delayed rewards

A research team from the University of Cologne conducted one of the most comprehensive studies on dopamine and decision-making in humans so far, providing evidence for effects of the former on the latter.

28 Oct 2025

World's largest-ever clinical trial launched to test treatments for Parkinson's disease

The world's largest-ever clinical trial of treatments to slow or stop the progression of Parkinson's disease has launched, led by researchers at UCL and Newcastle University.

16 Oct 2025

AI-powered wearable device could cut Parkinson’s care costs

With STAT-ON™, continuous monitoring of Parkinson's symptoms can enhance treatment efficacy and significantly lower healthcare costs for patients and systems.

15 Oct 2025

Researchers identify a central controller of mitochondrial dynamics in disease

A key switch for cellular energy balance has been discovered in cells: it could potentially become the target of new therapies for diseases ranging from Parkinson's to rare disorders caused by defects in the cell's powerhouses, the mitochondria.

6 Oct 2025

Can exercise help rewire the brain against internet addiction?

Footbike training boosts neural inhibitory control in students with internet addiction, highlighting its potential in enhancing focus and self-regulation.

22 Sep 2025

FAU neuroscientist receives NIH grant to study amphetamine effects on the brain

Lucia Carvelli, Ph.D., associate professor of neuroscience at Florida Atlantic University's Harriet L. Wilkes Honors College and a member of the FAU Stiles-Nicholson Brain Institute, has received a $571,675 grant from the National Institutes of Health to advance critical research into how amphetamines affect brain function.

15 Jul 2025

Study validates stem cell models for neurological diseases

In a comprehensive Genomic Press perspective (peer-reviewed review) article, an international team of neuroscientists has outlined crucial validity standards that could transform how researchers use stem cell technology to study devastating brain disorders.

15 Jul 2025

Ultra-processed foods threaten brain health in kids and teens, review warns

Children, adolescents, and unborn babies exposed to high levels of ultra-processed foods (UPFs) face increased risks of impaired brain development, cognitive deficits, and long-term mental health challenges. The review underscores how UPF-driven changes in reward pathways, nutrient deficits, inflammation, and the gut–brain axis can have lasting impacts across generations.

13 Jul 2025

How Parkinson’s disease affects emotion recognition of voices

A new study in Neurodegenerative Diseases looks closely at how Parkinson’s disease can affect something as everyday and essential as recognizing emotion in someone’s voice.

From S. Karger AG 11 Jun 2025

Symptom asymmetry influences how Parkinson’s patients process emotions

New study shows dopamine treatments and symptom asymmetry impact patients differently.

10 Jun 2025

City size reduces obesity and impulsivity through better lifestyle and education

Researchers analyzing data from 915 U.S. cities found that both obesity and impulsivity (measured by ADHD rates) are less common in larger cities, with physical inactivity linking ADHD to obesity. Education and mental healthcare access further influence these patterns, highlighting modifiable factors for urban health.

18 May 2025

Discovery of second learning system in the brain sheds light on habit formation

Neuroscientists at the Sainsbury Wellcome Centre (SWC) at UCL have discovered that the brain uses a dual system for learning through trial and error.

14 May 2025

Researchers unlock new paths toward treating stress-related psychiatric disorders

In a comprehensive Genomic Psychiatry review article published today, researchers from the University of Rochester Medical Center have synthesized decades of research on stress hormone systems in primate brains, potentially unlocking new paths toward treating stress-related psychiatric disorders.

13 May 2025

Dopamine circuit helps the brain unlearn fear

Dangers come but dangers also go and when they do, the brain has an "all-clear" signal that teaches it to extinguish its fear.

28 Apr 2025

New biomarker offers hope for early Parkinson’s diagnosis

A misfolded protein facilitates reliable diagnosis even in the early stages of Parkinson’s disease in body fluids.

25 Apr 2025

iPS cell transplants show early promise for treating Parkinson's disease safely

In a first-of-its-kind human trial, researchers transplanted iPS-cell-derived dopaminergic progenitors into patients with Parkinson’s disease and observed promising motor improvements with no serious safety concerns over 24 months. The therapy showed increased dopamine synthesis without tumor formation or graft-induced dyskinesia.

21 Apr 2025

Stem cell therapy shows promise for treating advanced Parkinson's disease

A stem cell–based therapy initially developed at Memorial Sloan Kettering Cancer Center (MSK) may lead to a new treatment for advanced Parkinson's disease, according to results from a phase 1 clinical trial reported in Nature.

16 Apr 2025

Scientists confirm neurobiochemical link between dopamine and cognitive flexibility

For the first time, scientists have confirmed a neurobiochemical link between dopamine and cognitive flexibility, according to new research published in the March issue of The Journal of Nuclear Medicine.

28 Mar 2025