How to use this tool: Start by entering your age in the My Dementia Risk Profile panel on the right to establish your personal baseline risk. Then use the sliders below to set your monthly budget and available time — the cards will filter to show only interventions that fit within your constraints. Hit Load next to the optimal stack suggestion to auto-populate a science-ranked starting point, or browse and add interventions manually using the + Add button on each card. As you build your portfolio, the Dementia Risk Impact and longevity gain panels on the right update live.