This booklet is the first in a series providing practical information about major issues in the promotion of child health. Discussion is grouped into four parts. The first part, on health maintenance, discusses the features and significance of good checkups and addresses the need for parents to discuss menstruation as a normal, healthy part of becoming a woman. Dealing with nutrition, the second part explains the causes, effects, and prevention of iron deficiency anemia. The third part, on mental health, describes hyperactivity, providing a four-question test for evidence of hyperactivity and discussing treatment priorities. Television violence is also discussed, and 10 tips to maximize the benefits of television viewing are included. The fourth part, on the environment, identifies the sources of excess lead in urban areas, describing the signs and effects of lead poisoning and suggesting preventive measures. A brief concluding note stresses the importance of preventive health care for children. (AS)