Science & technology | Medicine and dementia

Alzheimer’s disease may, rarely, be transmitted by medical treatment

Childhood treatment with contaminated human growth hormone may cause the disease years later

Cut-out paper illustration of a syringe and its shadow, shaped as an adult face. A child’s face is casting the shadow of the adult one
Illustration: Eiko Ojala

RESEARCHERS DIVIDE Alzheimer’s disease, the most common form of dementia, into two types. “Sporadic” cases usually occur in people over 65. Rarer “familial” ones are associated with a handful of mutations that run in families. Symptoms can begin in a patient’s 30s.

This article appeared in the Science & technology section of the print edition under the headline “Can Alzheimer’s be transmitted?”

From the February 3rd 2024 edition

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