HEALTH TOPICS 
Mild cognitive impairment
New technologies and drugs may improve diagnosis and management.
Mild cognitive impairment is about twice as common as dementia. Although reports of prevalence vary, one analysis of participants in a cardiovascular health study estimated that 19% of those ages 65 to 74, and 29% of those older than 85, had mild cognitive impairment. This diagnosis can be demoralizing, because it is associated with a significant increase in the risk of developing dementia, especially Alzheimer's disease.
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