CAH home page:
http://www.who.int/child_adolescent_health
Topical information on adolescent health and development: http://www.who.int/child_adolescent_health/topics/prevention_care/adolescent
Data on adolescents' access to health services:
http://www.who.int/child_adolescent_health/data/adolescents
Documents on adolescent health:
http://www.who.int/child_adolescent_health/documents/adolescent
Fact File on adolescent health (from September 2008):
http://www.who.int/features/factfiles/adolescent_health
The following are available in the six official UN languages (Arabic, Chinese, English, French, Russian, and Spanish):
10 Facts on Adolescent Health (published September 2008) http://www.who.int/features/factfiles/adolescent_health/en/index.html (currently featured on the front page of the WHO site)
10 Facts on Breastfeeding (published August 2008)
http://www.who.int/features/factfiles/breastfeeding/en/index.html
10 Facts on Child Health (published October 2007)
http://www.who.int/features/factfiles/child_health2/en/index.html