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  2. Areas of the Brain Affected by Parkinson's Disease - Healthline

    www.healthline.com/health/parkinsons-disease/...

    The area of the brain most affected in the development of Parkinson’s is the substantia nigra pars compacta, a tiny area in the midbrain. Basal ganglia are the specific type of neurons affected ...

  3. How Does Parkinson’s Disease Affect the Nervous System?

    www.healthline.com/health/parkinsons-disease/how...

    The bottom line. Parkinson’s disease is a condition that affects the nervous system. In PD, nerve cells in the brain become damaged and begin to die off. The reason why some people develop the ...

  4. Parkinson’s Sudden Deterioration: Causes, Symptoms, Outlook

    www.healthline.com/health/parkinsons/parkinsons...

    Parkinson’s disease is a neurodegenerative disorder caused by the loss of dopamine-producing cells in your brain, primarily affecting movement, causing tremors, stiffness, and difficulty with ...

  5. Parkinson's disease - Wikipedia

    en.wikipedia.org/wiki/Parkinson's_disease

    Parkinson's disease (PD), or simply Parkinson's, is a neurodegenerative disease of mainly the central nervous system that affects both the motor and non-motor systems of the body. The symptoms usually emerge slowly, and, as the disease progresses, non-motor symptoms become more common. Usual symptoms include tremors, slowness of movement ...

  6. How Your Voice Could Reveal Hidden Disease - WebMD

    www.webmd.com/alzheimers/news/20221207/how-your...

    Dec. 7, 2022 – Most of us have two voice changes in our lifetime: first during puberty, as the vocal cords thicken and the voice box migrates down the throat. Then a second time as aging causes ...

  7. APOE4 Testing: To Know or Not to Know Alzheimer's Risk - WebMD

    www.webmd.com/alzheimers/news/20240607/to-know...

    Biomarkers Abound in APOE4 Markers The apolipoprotein E gene (APOE for short) is linked to Alzheimer’s risk because it's involved in the body’s process for carrying cholesterol and other fats ...

  8. Stages of Parkinson's Disease: How Symptoms Can ... - WebMD

    www.webmd.com/.../parkinsons-disease-progression

    Your arms or legs get stiff. You have symptoms only on one side of your body, like a tremor in one arm. Moderate stage. Often within 3 to 7 years, you’ll see more changes. Early on, you might ...

  9. Do people with Parkinson’s always develop dementia? - AOL

    www.aol.com/people-parkinson-always-develop...

    The first investigation noted above was conducted by the Parkinson’s Progression Markers Initiative (PPMI), which is a public-private partnership, in part funded by the Michael J. Fox Foundation ...

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