### Question
What is the definition of disability?


### Answer
The definition of **disability** is as follows in *42 U.S.C. § 416*:

> (A) inability to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or has lasted or can be expected to last for a continuous period of not less than 12 months, or (B) blindness

#### Citation:
  - *42 U.S.C. § 416*
  - Heading: **CHAPTER 7-SOCIAL SECURITY > SUBCHAPTER II-FEDERAL OLD-AGE, SURVIVORS, AND DISABILITY INSURANCE BENEFITS**

