As used in KRS 12.450 to 12.465, unless the context requires otherwise:
(1) "Disability" means, with respect to an individual:
(a) A physical or mental impairment that substantially limits one (1) or more of the major life activities of the individual;
(b) A record of such an impairment; or (c) Being regarded as having such an impairment.
(2) Persons with current or past controlled substance abuse or alcohol abuse problems and persons excluded from coverage by the Americans with Disabilities Act of 1990 (Pub. L. No. 101-336) shall be excluded from the definition set out in subsection (1) of this section.