Please note: The Center for Health Studies Web site will be offline for maintenance Friday, August 29 from 6 p.m. Pacific and on. The Web site will be back online late Friday evening.

News Headlines

• Flu vaccine may not protect seniors well; Group Health study in Lancet finds no less risk of pneumonia with vaccine. See news release.
• New online care for hypertension gets results; Controlling blood pressure at home, on Web, nearly doubles proportion of successful patients, JAMA study reports. See news release.
• Breast Cancer Surveillance Web site has been enhanced; Group Health Web site supports scientific collaboration. See news release.

Learn about CHS' accomplishments in 2007: Read our annual report.

Founded 25 years ago, Group Health Center for Health Studies (CHS) conducts research that supports Group Health Cooperative in its mission to "transform health care." Exploring innovation in the authentic world of population-based health care, CHS focuses on finding evidence that matters to everyday lives.