Lifestyle trio tested for sharper aging

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Participants who are able to complete questionnaires and follow directions for interventions * Have access to a smartphone that can support the Fitbit app Exclusion Criteria: * Any neurological disease/disorder diagnosis (Ex: Parkinson's Disease, Multiple Sclerosis, Traumatic Brain Injury, Brain lesion, Stroke, etc) * Any chronic medical condition which would affect ability to participate in exercise * Any contraindication for exercise based on the Physical Activity Readiness Questionnaire for Everyone (PAR-Q+) and medical clearance form * Participants who were told by a medical doctor that they need to be medically supervised for exercise * Montreal Cognitive Assessment (MoCA) scores \<21/30 * Significant cognitive impairment, depression, or eating disorder * Any contraindication to MRI scanning; such as implanted metal clips or wires (see list below) * Participants currently doing 180 minutes or more of moderate-vigorous intensity exercise per week AND either of the following: * Completion of an Mindfulness-Based Stress Reduction course OR; Score \>8/15 in the Mediterranean-Dietary Approaches to Stop Hypertension (DASH) Intervention for Neurodegenerative Delay (MIND) Diet Questionnaire * Significant or unstable cardiovascular or respiratory disease * Severe/multiple head trauma(s) * Subjects who are pregnant or breastfeeding * Subjects with a history or major episodes of drug or alcohol abuse * Chronic/acute bacterial/viral infection * GI cancer * Inflammatory bowel disease Exclusion for MRI scanning: * Individuals weighing \> 400 lbs (limit of MRI machine) * Artificial heart valve * Brain aneurysm clip * Electrical stimulator for nerves or bones * Ear or eye implant * Implanted drug infusion pump * Coil, catheter, or filter in any blood vessel * Orthopedic hardware (artificial joint, plate, screws) * Other metallic prostheses * Shrapnel, bullets, or other metal fragments * Surgery or tattoos (including tattooed eyeliner) in the last six weeks * Brain surgery * Have a cardiac pacemaker, wires or defibrillator * Have had an injury where a piece of metal lodged in the eye or orbit * Have a ferromagnetic aneurysm clip