Preston did, however, acknowledge that in the poorest countries economic growth may be necessary for improvements in health, as even the most inexpensive technologies have a cost of adoption that poor countries may not be able to afford.
Preston siiski möönis, et vaesemates maades võib majanduskasv olla vajalik tervishoiu paranemiseks, kuna isegi kõige kallimatel tehnoloogiatel on vaesematele maadele kättesaamatuks jääv hind.