When passwords are required, please see the librarians.
Science Online:
http://www.fofweb.com/Science/
Center for Disease Control and Prevention:
http://www.cdc.gov/DiseasesConditions/
National Institute of Health:
Teens Health:
ProQuest (use to search for periodical articles about your topic)
http://search.proquest.com/?accountid=6238
Global Issues in Context (particularly useful for controversial or especially timely topics)
http://find.galegroup.com/gic/dispHomePage.do?prodId=GIC&userGroupName=nysl_me_10_399
New York Academy of Medicine Library: