Online program aims to slash dementia risk with personalized lifestyle coaching

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

Inclusion Criteria : * Aged between 50 and 75; * Proficient or native speakers in French or English; * Computer literate defined as being able to read mails and browse the Internet, and having access to a computer or tablet with an Internet connection; * Eligible in at least one of the 3 intervention domains, where eligibility is defined as follows: * Low cognitive engagement in cognitively stimulating activities, defined as a score ≤ 22 on the adapted Cognitive Activity Questionnaire; * Low level of physical activity defined as less than 150 minutes/week) of moderate to vigorous physical activity measured using the Godin- Shephard Leisure Time Physical Activity Questionnaire, and no medical contraindication to physical activity based on the Physical Readiness Questionnaire for Everyone (PAR-Q+); * Low adherence to the Mediterranean-type diet defined as a score of ≤ 8 on the adapted Canadian Mediterranean Diet Scale, and no dietary restriction, severe allergy or intolerance or history of eating disorder. Exclusion Criteria : * Presence of a cognitive impairment as measured by the Creyos Dementia Assessment; * General anesthesia within the last 6 months; * Previous participation in the Luci program or in any validation studies related to the program; * Current participation in another study; * Unable to commit participation over the period of the study; * Being in the precontemplation stage of change; * High level of perceived stress; * Having received a diagnosis of : * Dementia or neurodegenerative disease (AD and other dementias); * Past or present neurological disorder (multiple sclerosis, brain tumour, epilepsy, stroke, traumatic brain injury); * Severe psychiatric disorder (schizophrenia, major depression, bipolar disorder); * Diabetes or hypertension without medical monitoring; * Alcoholism or drug addiction; * Any other condition expected to limit participation (e.g., low visual acuity).