Under extremely rare circumstances, it appears that Alzheimer’s disease can be transmitted between people. Five people who received contaminated injections of a growth hormone as children went on to develop Alzheimer’s unusually early, researchers report January 29 in Nature Medicine.
The findings represent “the first time iatrogenic Alzheimer’s disease has been described,” neurologist John Collinge said January 25 in a news briefing, referring to a disease caused by a medical procedure.
That sounds alarming, but researchers are quick to emphasize that Alzheimer’s disease is not contagious in everyday life, including caretaking and most medical settings.
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