Some facts about this age…
Middle Childhood (9-11 years old) http://www.cdc.gov/ncbddd/child/middlechildhood9-11.htm
Early Adolescence (12-14 years olf) http://www.cdc.gov/ncbddd/child/earlyadolescence.htm
Mental Health & Drug Abuse Statistics
http://www.aacap.org/cs/root/resources_for_families/child_and_adolescent_mental_illness_statistics
Alcohol Abuse Among Adolescents
http://www.niaaa.nih.gov/AboutNIAAA/NIAAASponsoredPrograms/AlcoholAdolescentHealth.htm
Sexual Behaviors of Teens
http://www.cdc.gov/HealthyYouth/sexualbehaviors/index.htm
Sexting: A Complete Study
http://www.thenationalcampaign.org/sextech/PDF/SexTech_Summary.pdf
Health
http://www.cdc.gov/HealthyYouth/healthtopics/index.htm
Nutrition (including Eating Disorders)
http://faculty.washington.edu/jrees/adolescentnutrition.html
The Particular Danger of Drugs on Adolescents
http://www.yaledailynews.com/news/scitech-news/2009/09/09/cocaine-alters-brain-cell-shape/
A long list of current research articles related to teens… https://www.cpyu.org/Page.aspx?id=76961
[...] Facts [...]