| Centers
for Disease Control & Prevention
Physical Activity Recommendations for Children
The Centers for Disease Control and Prevention (CDC)
is one of the 13 major operating components of the Department
of Health and Human Services (HHS), which is the principal
agency in the United States government for protecting
the health and safety of all Americans and for providing
essential human services, especially for those people
who are least able to help themselves.
http://www.cdc.gov
|