Psychiatric Disorders Linked to Earlier Alzheimer's Onset

"Investigators found the age of onset of AD is about 2 years earlier among patients with depression and 3 years earlier among those with anxiety vs those without these disorders. In addition, having more than one psychiatric diagnosis pushes the age of AD onset even earlier."

https://www.medscape.com/viewarticle/946495?spon=12&uac=392623PN&impID=3224605&sso=true&faf=1&src=WNL_mdpls_210302_mscpedit_psych