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New research has found that depletion of the body’s levels of BRCA1, which is famously linked to several forms of cancer, may also cause dementia. (Corbis)

It’s already known – primarily due to Angelina Jolie’s announcement that she has it – that certain mutations in BRCA1, an important protein involved in DNA repair, can increase a person’s risk of developing breast and ovarian cancer, but researchers from the University of California and Gladstone Institute of Neurological Disease ...