
Two APOE e4 Genes, One Brain-Health Makeover: A Woman’s Lifestyle Shift to Fight Alzheimer’s Risk
Elena Castellanos, who has two copies of the APOE e4 gene, overhauled her lifestyle—Mediterranean-style diet, varied exercise, optimized sleep, and no alcohol—while pursuing regular brain-health monitoring. In one year, her brain biomarkers improved (GFAP down 32%, amyloid down 20%, tau down 29%), illustrating that genetics aren’t destiny and proactive choices can modulate dementia risk.











