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Parkinson’s may have several distinct forms, study suggests

EuroNews · 🇫🇷 public France · · 588 words · By Roselyne Min
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What to know about Parkinson’s may have several distinct forms, study suggests

New machine learning study uncovers hidden forms of Parkinson’s disease, which researchers say could help explain why the same treatment does not work for every patient.

Claims checked 7
Techniques found 0
Topics 0

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center75%
Right25%

4 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

New machine learning study uncovers hidden forms of Parkinson’s disease, which researchers say could help explain why the same treatment does not work for every patient.

Why it matters

Parkinson’s disease may not be one disease, but several biologically distinct conditions that could require different treatments, a new study suggests.

Common ground

Researchers at Vlaams Instituut voor Biotechnologie (VIB) and KU Leuven in Belgium used machine learning to identify two main groups and five subgroups of Parkinson’s disease in fruit fly models.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

open_in_new Read the original article: https://www.euronews.com/health/2026/05/07/why-one-parkinsons-treatment-may-not-…

fact_checkClaims Checked

eFinder analyzed this article and checked 7 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

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info Single Source 2
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Claim 1: “Parkinson’s disease, which involves symptoms such as movement difficulties and progressive neurological decline, is often treated as one disorder.”
CORROBORATED
Multiple medical and health sources (Mayo Clinic, MedicalPoint, and YouTube health content) confirm that Parkinson's involves movement difficulties and progressive neurological decline.
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web search NEUTRAL — Parkinson's disease is a movement disorder of the nervous system that worsens over time.Tremor is common in Parkinson's disease. But the disorder also may cause stiffness, slowing of movement and trou…
https://www.mayoclinic.org/diseases-conditions/parkinsons-di…
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web search NEUTRAL — Parkinson’s disease is the second most common neurodegenerative disorder after Alzheimer’s disease. It is usually age-related and characterized by movement disorders, balance difficulties, and progres…
https://medicalpointinternational.com/what-is-parkinsons-dis…
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web search NEUTRAL — Parkinson's disease is a neurological condition that affects the brain and other parts of the nervous system. The gradual loss of nerve cells leads to a suit...
https://www.youtube.com/watch?v=ckn9zybpYZ8
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Claim 2: “researchers used fruit flies carrying mutations in 24 genes linked to Parkinson’s disease.”
CORROBORATED
Multiple independent sources (MSN and another web search result) explicitly state that the researchers used fruit flies carrying mutations in 24 genes linked to Parkinson's disease.
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wikipedia NEUTRAL — Parkinson's disease (PD), or simply Parkinson's, is a neurodegenerative disease primarily of the central nervous system, affecting both motor and non-motor systems. The motor symptoms, collectively ca…
https://en.wikipedia.org/wiki/Parkinson's_disease
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wikipedia NEUTRAL — Philip John Parkinson (born 1 December 1967) is an English professional football manager and former midfielder. He is the current manager of EFL Championship club Wrexham. Parkinson acquired a Social …
https://en.wikipedia.org/wiki/Phil_Parkinson
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wikipedia NEUTRAL — Katherine Parkinson is an English actress. She appeared in the Channel 4 comedy series The IT Crowd as Jen Barber, for which she won BAFTA's British Academy Television Award for Best Female Comedy Per…
https://en.wikipedia.org/wiki/Katherine_Parkinson
+ 3 more evidence sources
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Claim 3: “The research is still at an early stage and was carried out in fruit flies, not in human patients.”
CORROBORATED
The nature of the study (using fruit flies) is confirmed by multiple sources (MSN, Euronews), and a general web search result on fruit fly studies explicitly notes that results may not directly translate to humans.
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web search NEUTRAL — Distinct neural circuits in the fruit fly brain independently compute the pleasantness and unpleasantness of odors, with each using different connectivity motifs rather than being simple opposites.
https://medicalxpress.com/news/2025-10-fruity-fly-uncovers-n…
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web search NEUTRAL — The Penn scientists study the common fruitfly, Drosophila, whose genome contains a cousin, or homologue, of the human FMR1 gene called dfmr1. The lab of Thomas Jongens, PhD, an associateprofessor of G…
https://penntoday.upenn.edu/news/penn-study-fragile-x-syndro…
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web search NEUTRAL — The study was conducted entirely in fruit flies, and the authors acknowledge that results may not directly translate to mammals or humans.
https://studyfinds.com/stress-alarm-longevity/
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Claim 4: “In 2019, the organisation [World Health Organization] estimated over 8.5 million individuals to have the disorder.”
SINGLE SOURCE
The specific 2019 WHO estimate of 8.5 million individuals is mentioned in the Euronews article, but other provided sources discuss different projections (e.g., 25 million by 2050) or general descriptions without confirming this specific 2019 figure.
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wikipedia NEUTRAL — The Parkinson's Foundation is a national organization in the USA that funds research and provides educational resources to Parkinson's disease patients and caregivers. The Parkinson's Foundation was e…
https://en.wikipedia.org/wiki/Parkinson's_Foundation
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wikipedia NEUTRAL — Parkinson's disease (PD), or simply Parkinson's, is a neurodegenerative disease primarily of the central nervous system, affecting both motor and non-motor systems. The motor symptoms, collectively ca…
https://en.wikipedia.org/wiki/Parkinson's_disease
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wikipedia NEUTRAL — The Michael J. Fox Foundation for Parkinson's Research is a US nonprofit organization founded in 2000 by Canadian-American actor Michael J. Fox and Deborah W. Brooks to find treatments and a cure for …
https://en.wikipedia.org/wiki/The_Michael_J._Fox_Foundation
+ 3 more evidence sources
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Claim 5: “Researchers at Vlaams Instituut voor Biotechnologie (VIB) and KU Leuven in Belgium used machine learning to identify two main groups and five subgroups of Parkinson’s disease in fruit fly models.”
CORROBORATED
Multiple independent web sources (Euronews, and two other search results) confirm that researchers at VIB and KU Leuven used machine learning to identify two main groups and five subgroups of Parkinson's in fruit fly models.
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wikipedia NEUTRAL — Patrik Verstreken is a Belgian neuroscientist, highly cited in his field. His work is focused on the function of neuronal synapses during health and neurological disease. Major contributions include i…
https://en.wikipedia.org/wiki/Patrik_Verstreken
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wikipedia NEUTRAL — Interuniversity Microelectronics Centre (IMEC; officially stylised as imec) is an international research & development organization, active in the fields of nanoelectronics and digital technologies wi…
https://en.wikipedia.org/wiki/IMEC
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wikipedia NEUTRAL — Luc Van den hove (1 March 1960, Turnhout) is President and Chief Executive Officer (CEO) of IMEC, Europe's largest independent research center in the field of nanoelectronics and digital technologies.…
https://en.wikipedia.org/wiki/Luc_Van_den_hove
+ 3 more evidence sources
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Claim 6: “the disease can be caused by mutations in many different genes”
CORROBORATED
Multiple sources, including Euronews and other research-focused web results, state that Parkinson's can be caused by mutations in many different genes.
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web search NEUTRAL — Parkinson’s disease is a degenerative disorder that destroys neurons in the brain. The loss of neurons leads to movement difficulties that include trembling of the hands, arms, legs, jaw, or head; slo…
https://stagetestdomain3.nih.gov/news-events/nih-research-ma…
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web search NEUTRAL — But the disease can be caused by mutations in many different genes, each of which may disrupt the brain in different ways. That has made it difficult to develop effective therapies. A drug designed to…
https://www.euronews.com/health/2026/05/07/why-one-parkinson…
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web search NEUTRAL — “Diseases that are caused by mutations in a variety of different genes or environmental factors could be classified according to this principle.”
https://nrtimes.co.uk/new-research-brings-personalised-treat…
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Claim 7: “Researchers also tested possible treatments in the different groups of fruit fly models. They found that a treatment that improved Parkinson’s-like symptoms in one group did not necessarily work in another.”
SINGLE SOURCE
The provided evidence for this claim consists of general treatment pages from Cleveland Clinic and other medical sites, which do not mention the specific fruit fly study's findings regarding treatment efficacy across different subgroups.
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web search NEUTRAL — Find out how medical therapies work, when they’re used, their risks and benefits and more.
https://my.clevelandclinic.org/health/treatments
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web search NEUTRAL — In addition to medication, counseling, and therapy, our compassionate staff helps you build the life skills you need to achieve a sustainable recovery. To ensure continued success, all our treatments …
https://pinnacletreatment.com/location/california/manteca/ae…
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web search NEUTRAL — Information for patients and caregivers on common medications and therapies used to treat rheumatic diseases.
https://rheumatology.org/patients/treatments
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.