Anyone who’s worried about Alzheimer’s disease should know about Doug Whitney. Doug is what researchers have coined an “escapee” of familial Alzheimer’s disease (FAD), the rare hereditary form of Alzheimer’s caused by inheriting mutations in one of three genes (APP, PSEN1, and PSEN2). But to many in the disease community Doug represents hope, hope brought through research participation. FAD mutations lead to an aggressive buildup of amyloid plaques in the brain. People with these ...