A new study conducted at Rotman Research Institute in Toronto, Canada has determined that anxiety symptoms in individuals diagnosed with mild cognitive impairment (MCI) significantly increases the risk of a speedier decline in cognitive functions. This finding was independent of depression, which is an additional risk factor. For MCI patients with mild, moderate, or severe anxiety, Alzheimer’s risk increased by 33 percent, 78 percent, and 135 percent respectively. Previous studies have shown that anxiety in MCI is associated with abnormal concentrations of plasma amyloid protein levels in cerebrospinal fluid, which is a biomarker of Alzheimer’s. However, not all MCI sufferers convert to Alzheimer’s; some stabilize and others even improve in their cognitive powers.
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