Dementia risk may be linked to repetitive negative thinking, study suggests

A recent study led by researchers at University College London (UCL; UK) has indicated that persistently engaging in negative thinking patterns may raise the risk of Alzheimer’s disease. The study, which has been published in Alzheimer’s & Dementia, examined 292 people over the age of 55 who were part of the PREVENT-AD cohort study, plus a further 68 people from the IMAP+ cohort. The researchers reported that repetitive negative thinking was linked to subsequent cognitive decline, in addition to a decline in global amyloid and entorhinal tau deposition. “Depression and anxiety in mid-life and old age are already known to...