### Question
How does the law define serious mental illness?


### Answer
Under *42 U.S.C. § 11360*, **serious mental illness** is defined as:

> a severe and persistent mental illness or emotional impairment that seriously limits a person's ability to live independently

#### Citation:
  - *42 U.S.C. § 11360*
  - Heading: **CHAPTER 119-HOMELESS ASSISTANCE > SUBCHAPTER IV-HOUSING ASSISTANCE > Part A-General Provisions**

