A country where preventive health care could be inaccessible.
preventive screenings, such as annual physicals, well-baby visits, and mammograms provided free of charge.
By that he means solitary confinement is intended to be preventive, not punitive.
preventive pre·ven·tive (prĭ-věn'tĭv) or pre·ven·ta·tive (-tə-tĭv)
Preventing or slowing the course of an illness or a disease; prophylactic. n.
A preventive agent or treatment.