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This first Surgeon General's report on physical activity is being released on the eve of the Centennial Olympic Games - the premiere event showcasing the world's greatest athletes. It is fitting that the games are being held in Atlanta, Georgia, home of the Centers for Disease Control and Prevention (CDC), the lead federal agency in preparing this report. The games' 100-year celebration also coincides with the CDC's landmark 50th year and with the 40th anniversary of the President's Council on Physical Fitness and Sports (PCPFS), the CDC's partner in developing this report. Because physical activity is a widely achievable means to a healthier life, this report directly supports the CDC's mission - to promote health and quality of life by preventing and controlling disease, injury, and disability. Also clear is the link to the PCPFS; originally established as part of a national campaign to help shape up America's younger generation, the Council continues today to promote physical activity, fitness, and sports for Americans of all ages.

The Olympic Games represent the summit of athletic achievement. The Paralympics, an international competition that will occur later this summer in Atlanta, represents the peak of athletic accomplishment for athletes with disabilities. Few of us will approach these levels of performance in our own physical endeavors. The good news in this report is that we do not have to scale Olympian heights to achieve significant health benefits. We can improve the quality of our lives through a lifelong practice of moderate amounts of regular physical activity of moderate or vigorous intensity. An active lifestyle is available to all.

Many Americans may be surprised at the extent and strength of the evidence linking physical activity to numerous health improvements. Most significantly, regular physical activity greatly reduces the risk of dying from coronary heart disease, the leading cause of death in the United States. Physical activity also reduces the risk of developing diabetes, hypertension, and colon cancer; enhances mental health; fosters healthy muscles, bones and joints; and helps maintain function and preserve independence in older adults.

The evidence about what helps people incorporate physical activity into their lives is less clear-cut. We do know that effective strategies and policies have taken place in settings as diverse as physical education classes in schools, health promotion programs at worksites, and one-on-one counseling by health care providers. However, more needs to be learned about what helps individuals change their physical activity habits and how changes in community environments, policies, and social norms might support that process.

Support is greatly needed if physical activity is to be increased in a society as technologically advanced as ours. Most Americans today are spared the burden of excessive physical labor. Indeed, few occupations today require significant physical activity, and most people use motorized transportation to get to work and to perform routine errands and tasks. Even leisure time is increasingly filled with sedentary behaviors, such as watching television, "surfing" the Internet, and playing video games.

Increasing physical activity is a formidable public health challenge that we must hasten to meet. The stakes are high, and the potential rewards are momentous: preventing premature death, unnecessary illness, and disability; controlling health care costs; and maintaining a high quality of life into old age.

David Satcher, M.D., Ph.D.
Director
Centers for Disease Control and Prevention

Philip R. Lee, M.D.
Assistant Secretary for Health

Florence Griffith Joyner
Tom McMillen
Co-Chairs
President's Council on Physical Fitness and Sports

Centers for Disease Control and Prevention
National Center for Chronic Disease Prevention and Health Promotion
Division of Cancer Prevention and Control

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