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Again , you should jump between positive and negative offsets in building up the coverage . Includes a thorough discussion of sexual development and discusses topics like growing up , responsible sexual behavior , masturbation , social life , sexual orientation , fertility and birth control , sexual abuse , and marriage . The 26 elementary school teachers and the 5 middle school teachers , who acted as mentors based on their prior experiences with Measuring Up , participated in a variety of activities during the in-service group meetings which involved problem-solving , discussion and comparison of various problem-solving strategies , discussion of children 's ways of mathematical thinking , and group discussions and reflections on research based readings . Alex Opio , who was in Shafer 's study team and is assistant commissioner for health services in the Ministry of Health 's National Disease Control Department , says the country is reacting to the data by stepping up prevention efforts . Children need help in coping with the emotional and psychological pains of growing up .