Moderate to severe anxiety has been linked to dementia in a new study. Researchers set out to build on previous studies which have suggested that mental illness may be associated with dementia in those aged over 65. The team at University College London and the University of Southampton wanted to understand whether moderate to severe anxiety is a precursor to dementia, or whether it is a risk factor. Dementia is an umbrella term for diseases characterized by cognitive decline, with Alzheimer’s being the most common. Those with the condition usually first show signs after the age of 60. The latest U.S. figures from 2013 show that 5 million Americans were living with Alzheimer’s disease at the time, a figure expected to rise to 14 million people by 2050. The cause of dementia remains unknown, although scientists believe that age, genetics, educational attainment, diet and one’s environment could play a part. To investigate their hypothesis, the team analyzed data from existing studies on participants who reported experiencing anxiety between the ages of 30 and 65, both on its own and in combination with depression. The researchers made note of the participants who were diagnosed with dementia on average at least a… Read full this story
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