Book excerpt: New to the Third Edition: New or expanded sections covering: Pandemic Flu Response to Hurricane Katrina FDA Regulation of Tobacco Promoting Physical Activity Poisoning (now the #2 cause of injury death) Nonfatal Traumatic Brain Injuries National Children's Study Coal Ash and other unregulated waste from power plants Medical errors Information Technology New information/discussion on: H1N1 swine flu Conflicts of interest in drug trials Problems in planning for the 2010 census Genomic medicine Cell phones/texting while driving National birth defects prevention study The new HPV vaccine controversy Lead paint in toys imported from china Bisphenol A (BPA) and phthalates The recent Salmonella outbreak in Peanut Butter Contaminated drug imports from China Managed care efforts to control medical costs Evaluation of Healthy People 2010 and planning for Healthy People 2020 New examples including: Andrew Speaker/Extremely Drug Resistant (XDR) Tuberculosis Football players and increased risk for dementia later in life.