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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. Symptoms typically develop gradually, with non-motor issues becoming more prevalent as the disease progresses.
Parkinsonism is a clinical syndrome characterized by the four motor symptoms found in Parkinson's disease: tremor, bradykinesia (slowed movements), rigidity, and postural instability. [ 1 ] [ 2 ] Parkinsonism gait problems can lead to falls and serious physical injuries.
The second major proposed mechanism for neuronal death in Parkinson's disease, autophagy, is a mechanism by which inner components of the cell are broken down and recycled for use. [2] [6] Autophagy has been shown to play a role in brain health, helping to regulate cellular function. Disruption of the autophagy mechanism can lead to several ...
Pathology is the medical discipline that describes conditions typically observed during a disease state, whereas physiology is the biological discipline that describes processes or mechanisms operating within an organism. Pathology describes the abnormal or undesired condition (symptoms of a disease), whereas pathophysiology seeks to explain ...
Levodopa (L-Dopa), a drug used in the treatment of Parkinson's disease, improves parkinsonian symptoms in a small percentage of MSA patients. A recent trial reported that only 1.5% of MSA patients experienced any improvement at all when taking levodopa, their improvement was less than 50%, and even that improvement was a transient effect ...
MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine) is an organic compound.It is classified as a tetrahydropyridine.It is of interest as a precursor to the monoaminergic neurotoxin MPP +, which causes permanent symptoms of Parkinson's disease by destroying dopaminergic neurons in the substantia nigra of the brain.
A 2012 study suggests that players in the National Football League are three times more likely to die from neurodegenerative diseases, including Alzheimer's and Parkinson's diseases, than the general US population. [43] A 2018 study found 56% increase in risk of Parkinson's disease among US military veterans suffered traumatic brain injury. [42]
Parkinson's (disambiguation) Parkinson's disease, degenerative disorder of the central nervous system; Parkinsonism, also known as Parkinson's syndrome, atypical Parkinson's, or secondary Parkinson's; Parkinson's Law, the adage "Work expands so as to fill the time available for its completion."