... rationale for investing in nutrition in developing countries.Washington: USAID, Office of Nutrition, 1992 148. Belizan JM, Villar J, Bergel E, et al. Long-term effect of calcium supplementation duringpregnancy ... described in developing countries, but in USA, it is increasingly observed at a younger age, in males, in not so affluent groups, and in non-Caucasians (73-76). In a study in New-England school adolescents ... 1992;22:85-6 SHOULD ADOLESCENTS BE SPECIFICALLY TARGETED FOR NUTRITION IN DEVELOPING COUNTRIES? TO ADDRESS WHICHPROBLEMS, AND HOW? Hélène Delisle, Ph.D., professorDepartment of Nutrition, Faculty...