Decreased healthcare costs, delays in delivery need of care, improved quality of care, increased time to tend to patients.
Travelers maybe? Visitors
I believe it is Amy's, because you said Amy's target heart rate zone is 140bpm -- 186bpm. Thus, Amy's is higher
Youth aged 15 to 24 years old are deemed to be of disadvantage due to the worldwide concerns on (1) lack of job employment opportunities, (2) low quality jobs or underemployment, and (3) lack of education or skills competent for work.