Nev. Rev. Stat. § 0.038

1. Except as otherwise provided by specific statute or required by the context, “ obesity ” means a chronic disease characterized by an abnormal and unhealthy accumulation of body fat which is statistically correlated with premature mortality, hypertension, heart disease, diabetes, cancer and other health conditions, and may be indicated by: (a) A body mass index of 30 or higher in adults; (b) A body mass index that is greater than two standard deviations above the World Health Organization's growth standard for children who are at least 5 but less than 19 years of age, or greater than three standard deviations above the standard for children who are less than 5 years of age; (c) A body fat percentage greater than 25 percent for men or 32 percent for women; or (d) A waist size of 40 inches or more for men or 35 inches or more for women.

2. As used in this section, “ chronic disease ” means a health condition or disease which presents for a period of 3 months or more or is persistent, indefinite or incurable.