In this Friday, July 12, 2013 photo, June Springer sits at her desk where she works at Caffi Contracting Services, in Alexandria, Va. Springer, who just turned 90, works as a receptioni

 

              In this Friday, July 12, 2013 photo, June Springer sits at her desk where she works at Caffi Contracting Services, in Alexandria, Va. Springer, who just turned 90, works as a receptioni
In this Friday, July 12, 2013 photo, June Springer sits at her desk where she works at Caffi Contracting Services, in Alexandria, Va. Springer, who just turned 90, works as a receptionist. People who delay retirement have less risk of developing Alzheimer's disease or other types of dementia, a study of half a million people in France found. (AP Photo/Alex Brandon)