Gradual memory loss, cognitive decline, wandering off to unknown places, being unable to dress in the morning: to live with dementia and Alzheimer’s disease might be a heart-wrenching burden for both patients and their loved ones. As the global population ages, and the number of individuals suffering from these conditions rises, digital technologies must step forward and offer some solutions for early detection and disease management. That’s what we examined in detail here, so let’s see the intersections of digital health and Alzheimer’s disease.