¶1 Naomi R. Williams appeals the district court’s judgment that affirmed the deci *184 sion of the Commissioner of Social Security denying disability benefits. Our review is limited to determining whether the Commissioner applied the proper legal standards and whether the decision is supported by substantial evidence on the record as a whole. Anthony v. Sullivan, 954 F.2d 289, 292 (5th Cir.1992). Substantial evidence is such relevant evidence as a reasonable mind might accept as adequate to support a conclusion. Villa v. Sullivan, 895 F.2d 1019, 1021-22 (5th Cir.1990). We may not reweigh the evidence or try the issues de novo. Id. at 1022. The record shows that the ALJ applied the proper legal standards and that the Commissioner’s decision is supported by substantial evidence. Anthony, 954 F.2d at 292.
¶2 Williams argues that the Commissioner failed to consider her obesity when she determined that Williams could perform her past relevant work. Because obesity was one of Williams’s asserted claims for disability and because the Commissioner found that Williams had a combination of impairments considered “severe”, Williams’s argument is unavailing. Loza v. Apfel, 219 F.3d 378, 393 (5th Cir.2000) (citing 20 C.F.R. § 404.1523).
¶3 She also argues that the Commissioner erred by failing to conduct a function-by-function analysis in light of all Williams’s impairments. Although the Commissioner did not consider each function of Williams’s past work, there was no conflicting evidence and substantial evidence supported the Commissioner’s finding. Myers v. Apfel, 238 F.3d 617, 620 (5th Cir.2001); see also Mays v. Bowen, 837 F.2d 1362, 1364 (5th Cir.1988).
¶4 AFFIRMED.