Studies have suggested that emotional stress can increase a person’s risk of developing Alzheimer’s disease. Now, scientists have found a gene that may explain the connection.
Paul E. Sawchenko of the Salk Institute for Biological Studies in La Jolla, Calif., and his colleagues turned their attention to a gene called type 1 corticotropin-releasing factor receptor (CRFR1), because it’s widely involved in the brain’s responses to stress.
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