Social Security does not see your pain, your fatigue, or your bad days; it sees medical records, and it concludes what is there and what is missing. Why Medical Records Carry So Much WeightMedical records are among the essential documents you need when applying for Social Security disability benefits. Section 423(d), a disability must be supported by medical signs and findings, not only by your description of how you feel. As a result, incomplete medical records may weaken an application unless the missing information is obtained or adequately explained. Why Timing Matters Even More for SSDIFor Social Security Disability Insurance, timing adds another layer to this problem.