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Alzheimer’s cases tied to no-longer-used medical procedure (statnews.com)

531 points by leeny · 932 days ago · 230 comments on HN

Article summary

Researchers have documented cases of Alzheimer's disease that appear to have been transmitted through a medical procedure involving the use of growth hormone extracted from human cadavers. This procedure, which was banned 40 years ago, may have transferred beta-amyloid proteins into the brains of recipients, leading to the development of Alzheimer's. The study suggests that Alzheimer's may be transmissible through certain medical procedures, but emphasizes that it is not contagious in the classical sense. The findings have implications for our understanding of the disease and its potential causes.

Main themes

  • Alzheimer's disease transmission
  • medical procedure risks
  • beta-amyloid proteins
  • prion-like mechanisms
  • neurodegenerative disease complexity
  • disease causality and treatment

What commenters say

  • The article's findings suggest that Alzheimer's disease may be transmissible through certain medical procedures, but this does not mean it is contagious in the classical sense.
  • The discovery of transmissible Alzheimer's cases raises questions about the role of beta-amyloid proteins in the disease and whether they are a cause or symptom.
  • Some commenters argue that the article's headline is misleading and may lead readers to believe that Alzheimer's is infectious, while others see it as an accurate reflection of the findings.
  • There is debate about whether the amyloid hypothesis is a sufficient explanation for Alzheimer's, with some arguing that it may be one of multiple causes.
  • The discussion highlights the complexity of neurodegenerative diseases and the need for further research into their causes and mechanisms.
  • Some commenters suggest that the findings may have implications for the development of treatments for Alzheimer's, particularly those targeting beta-amyloid proteins.
  • Others propose that the study's results may be relevant to the development of treatments for other neurodegenerative diseases, such as Parkinson's and ALS.