Lexi Nelson talks to her mother Wendy about her income tax filing at their home in Foxborough, Massachusetts, U.S., March 21, 2023. Wendy Nelson’s mother died from Alzheimer’s disease, her father suffers from it, and genetic tests show that Wendy carries two APOE4 gene variants, and her three daughters each carry one APOE4 gene variant, indicating an increased risk of Alzheimer’s disease. REUTERS/Brian Snyder