Brain Health Together: A Live-Streaming Group-Based Digital Program

Inclusion Criteria: * English language fluency;\* * live in U.S.; * cognitive decline (subjective cognitive decline OR diagnosis of mild cognitive impairment in the past 12 months) * ready to make lifestyle changes to improve brain health; * have 2 or more brain health risk factors (e.g., low physical activity, depression, hypertension, diabetes, etc) * have a desktop or laptop computer or iPad/tablet with a video camera; * have broadband internet access; * able to participate in online, live-streaming classes with two-way video Exclusion Criteria: Candidates meeting any of the exclusion criteria will not be eligible to participate. Alzheimer's disease or dementia \- Major neurological disorder (e.g., Parkinson's disease, Multiple Sclerosis, amyotrophic Lateral Sclerosis) * Schizophrenia or other psychotic disorder * Autism or autism spectrum disorder * Major mood or anxiety disorder that is not well-controlled (e.g., symptoms of depression or anxiety that made it hard to do daily tasks in past 6 months) * Fracture of spine ("compression fracture") in the past 12 months * Vertigo or severe dizziness in the past 12 months * Severe vision or hearing impairment (e.g., unable to see and hear well enough to watch a movie on TV); * Stroke or heart attack in the past 12 months * Physical limitation that would restrict ability to participate (e.g., use wheelchair or walker to get around home, unable to stand up from sitting without assistance) * Currently in another research st…