I recently read the novel “Erasure” by Percival Everett. The main character’s mother has dementia, and with family members who have walked that same path, it felt to me like an accurate depiction of the frustration, loneliness and absurdity that comes with the territory.

Drugmakers have long sought a treatment for the disease that affects not just patients but also their caretakers and family members. Some recent regulatory wins for Alzheimer’s disease therapies have given hope. But there’s still a long way to go. Can new blood tests help lead the way by providing further insight into drivers of the memory-stealing condition?

Today, we’re featuring a conversation with the co-founders of a company developing Alzheimer’s blood tests, which could guide drugmakers toward treatments that get to the heart of a debilitating brain disease.

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