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Alzheimer’s Disease

Context:

An experimental Alzheimer’s drug aimed at slowing or preventing cognitive decline in people has failed a clinical trial leading a blow to efforts to find a solution to fight back against the neurodegenerative disease.

Relevance:

GS III- Science and technology

Alzheimer’s Disease

  • Alzheimer’s disease is a chronic neurodegenerative disease that usually starts slowly and gradually worsens over time.
  • It is the cause of 60–70% of cases of dementia.
  • The most common early symptom is difficulty in remembering recent events.
  • The cause of Alzheimer’s disease is poorly understood, about 70% of the risk is believed to be inherited from a person’s parents, with many genes usually involved.
  • Other risk factors include a history of head injuries, depression, and hypertension.
  • No treatments stop or reverse its progression, though some may temporarily improve symptoms.

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September 2022
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