Do cell phones cause brain cancer? Does BPA threaten our health? How safe are certain dietary supplements, especially those containing exotic herbs or small amounts of toxic substances? What role does HPV play in the development of cervical cancer, and is the HPV vaccine safe? In four detailed case studies, Geoffrey C. Kabat shows how science works or sometimes doesn't and what distinguishes these two very different outcomes. We depend on science...

This Statistical Brief presents characteristics of persons in the U.S. civilian noninstitutionalized (community) population in calendar year 2002 who were in the top 5 percent of the medical expenditure distribution compared with persons in the bottom 50 percent of that distribution.