Introducing the 2008 Physical Activity Guidelines for Americans These guidelines are for Americans aged 6 and older. Issued by the U.S. Department of Health and Human Services(HHs卫生和人类服务部) It's content complements the Dietary Guidelines for Americans [Issued by the U.s. Department of Agriculture ( USDA) The primary audiences are policymakers and health professionalS. This information may also be useful to interested members of the public• These guidelines are for Americans aged 6 and older. • Issued by the U.S. Department of Health and Human Services (HHS 卫生和人类服务部) • It’s content complements the Dietary Guidelines for Americans [Issued by the U.S. Department of Agriculture (USDA)] • The primary audiences are policymakers and health professionals. • This information may also be useful to interested members of the public. Introducing the 2008 Physical Activity Guidelines for Americans