Back to today’s briefing

Story perspectives

Contaminated Growth Hormone Linked to Cognitive Decline

6/13/2025

41 7

Summary

Story summary

A groundbreaking study in Nature Medicine uncovers a troubling connection between contaminated human growth hormone (hGH) and cognitive decline in five patients, mirroring early-onset Alzheimer’s symptoms. The decline stems from prion-related amyloid-beta protein transmission. Researchers reassure that Alzheimer’s cannot be spread through casual interactions or everyday care, highlighting the importance of understanding this complex disease.

1 of 1

Story summary

A groundbreaking study in Nature Medicine uncovers a troubling connection between contaminated human growth hormone (hGH) and cognitive decline in five patients, mirroring early-onset Alzheimer’s symptoms. The decline stems from prion-related amyloid-beta protein transmission. Researchers reassure that Alzheimer’s cannot be spread through casual interactions or everyday care, highlighting the importance of understanding this complex disease.