AvHerbert J. Walberg,Margaret C. Wang
690 kr
Läs direkt i Bokus Reader – eller ladda ned till din enhet (PDF kräver ofta zoom och scroll på små skärmar).
- Incidence, prevalence, and cost of the problem, vital for gauging the importance of preventing the problem and for making the case for such efforts in public discussion of priorities;
- Biological and environmental influences which increase or decrease the likelihood of these problems; and,
- Principles, programs and policies that have been shown to reduce the incidence of each problem, information that can help in prevention of these behaviors.