Lulu M. Lewis appeals the district court’s 1 order affirming the denial of disability insurance benefits. Following our de novo review of the record, we reject Lewis’s assertions of error and find that the administrative law judge’s decision is supported by substantial evidence on the record as a whole. See Davidson v. Astrue, 578 F.3d 838, 841-42 (8th Cir. 2009) (standard of review). Accordingly, we affirm. See 8th Cir. R. 47B.