APOE4 Goes Retail: What the Hemsworth Effect Did to Consumer Alzheimer’s Genetics, Which Lifestyle Interventions Actually Move Risk in e4 Carriers, and What Counseling at Scale Should Look Like

Chris Hemsworth learned he carries two copies of APOE4 on camera in 2022. What followed was the most effective consumer marketing campaign in the history of Alzheimer’s risk testing. Nobody planned it. Nobody built the infrastructure for it.

The number that traveled: 8-10x more likely. What that number is: a relative risk with no baseline, from mostly Eu…