Under very rare conditions, Alzheimer’s disease may be transmitted
Five patients who got tainted growth hormone injections developed early Alzheimer’s decades later
![An image of a brain scan with glowing purple and orange spots that mark amyloid-beta.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2024/01/012624_LS_alz_feat.jpg?fit=1030%2C580&ssl=1)
A PET scan of the brain of a man who received contaminated growth hormones as a child and later developed Alzheimer’s disease shows higher-than-usual levels of the sticky protein A-beta (purple and orange areas) associated with the disease.
G. Banerjee et al/Nature Medicine 2024