This week NPR published an article describing the reactions of three scientists who learned and subsequently shared their APOE genetic results. What makes this story unique is the way these highly informed people responded to learning their results and their convergent paths of using this knowledge to help advance Alzheimer’s research. The three scientists discovered at various points in their life that they were homozygous for the e4 allele of the apolipoprotein E (APOE) gene. APOE codes...