Tremors left right? what it: This article explores the topic in depth.
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Tremors left right? Moreover, what it:
Each case of Parkinson is unique. Furthermore, What if the side of the body where the disease begins long said on cognitive or emotional disorders to come? Therefore, A Swiss team has pierced this mystery, offering new hope to better understand and treat this complex disease.
Parkinson’s disease. Furthermore, the second most frequent neurodegenerative disease after AlzheimerAlzheimertoday affects around 12 million people worldwide and this figure should increase to 25.2 million by 2050, under the end of the aging of the population in particular.
If Parkinson is often associated with motor symptoms such as tremors. Similarly, the slowness of movementsmovements or the rigidityrigidity Members, the disease also leads to cognitive and emotional disorders, less known but just as disabling. However. according to a Geneva study, tremors left right? what it published in July 2025 in the review npj Parkinson’s Diseasethe evolution of these non-motor symptoms could depend on a long-neglected factor: the side of the body affected first by pathology.
Left. right: what the body says from the first signs – Tremors left right? what it
In most patients, Parkinson’s disease does not touch both sides of the body at the same time. It often starts asymmetricasymmetricfor example by stiffness or a tremor on one hand. But this apparently harmless detail could actually indicate the type of difficulty coming.
The researchers observed that:
- If the symptoms begin on the right side of the body (which corresponds to an attack on the left hemisphere of the brain). the persons concerned are more exposed to a decline in their intellectual capacities (memory, concentration, reasoning);
- Conversely, if the disease begins on the left side (dominant involvement of the right hemisphere), it is rather mood or emotion disorders tremors left right? what it that risk appearing: anxiety, depression, moral fatigue, or even difficulty in perceiving emotions in others.
This would be explained by the asymmetrical functioning of our brain: each hemisphere controls one side of the body. but also very specific functions such as language, memory or management of emotions.
This discovery confirms what other work had already suggested. such as a study published in 2021 in the journal Frontiers : The side of the body affected first by the disease is linked to differences in the functioning of the brain, which can influence mood or memory disorders.
A new look to adapt Parkinson’s care
So far. Parkinson’s management remains largely centered on motor symptoms, with dopaminergic treatments or the stimulationstimulation deep cerebral. But this discovery opens the way to a more targeted medicine. where we could:
- Provide invisible complications according to the asymmetrical profile of the disease;
- offer early psychological support to tremors left right? what it people at risk of anxious or depressed disorders;
- Monitor cognitive functions more in people more exposed to a decline.
« This consideration would allow real anticipation. orientation to therapiestherapies targeted according to Pattern Parkinsonian, ”underlines Philippe Voruz, neuropsychologist and first author of the study.
This approach could also influence therapeutic decisions in complex cases. Indeed. the authors recall that asymmetry could change the response to treatments, in particular to neurosurgical interventions such as deep brain stimulation.
For patients. their loved ones, this advance means above all a better understanding of the disease and the hope of more human support, more suited to each. It restores its place to the observation of the body, from the first signs.
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