Demystifying the Link Between Major Depression and Alzheimer’s Disease

Over 7 million people in the United States live with Alzheimer’s disease and related dementia (ADRD). Some risk factors for ADRD, like genetics, can’t be controlled, but others can be treated. One of the most prevalent is depression (known clinically as major depressive disorder, or MDD). Between 11.1% and 14.7% of ADRD cases – affecting roughly one million individuals in the US – are attributable to MDD.  

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