Slightly more clickbaity title than the BBC's "Medicine stopped in 1980s linked to rare Alzheimer's cases"[0] which also says "The findings do not mean Alzheimer's is infectious - you cannot catch it from contact with people who have it... The researchers say all of the people in their study had been treated as a child with cadaver-derived human growth hormone, or c-hGH, that was contaminated with brain proteins that are seen in Alzheimer's disease... used to treat at least 1,848 people in the UK between 1959 and 1985".
[0] https://www.bbc.co.uk/news/health-68126907