NationsBank of Texas, N. A. v. Executive Life Insurance

holding that participation in recreational activities such as exercise tends to undermine a finding of “disability” based on diminished-breathing capacity | determining that employee’s inability to serve as an administrator at one site that aggravated her asthma did not constitute a substantial limitation, because she would not be limited from the class of administrative jobs in other locations | decided under the Rehabilitation Act | decided under the Rehabilitation Act | decided under the Rehabilitation Act