The American Heart Association offers these guidelines for physical activity.

Supporting teen learning and development via guidelines, best practices, and other resources for library staff, aftercollege providers, and educators.

cence (from Latin cere, meaning ‘to grow up’) is a transitional stage of physical and psychological development that generally occurs during the period

Since 2006, blogging has dropped among teens and adults while simultaneously rising among older adults. As the tools and technology embedded in social

*YALSA has launched the new Teen Book Finder DatabaseThe Best Fiction for Adults list honors the best fiction books published for teens each year.

Adults make just as many calls, but text less often than teens. Americans say their mobile phones make them feel safer and more connected, but are irritated by

Three-quarters of U.S. teens and adults are deficient in vitamin D, the so-called “sunshine vitamin” whose deficits are increasingly blamed for everything from cancer

WASHINGTON—American teens report experiences with stress that follow a similar pattern as adults, according to a new survey released today by the American

This manual lays the groundwork for community-based suicide prevention and mental health promotion plans for American Indian and Alaska Native teens and adults.

Koutsky L. (1997). Epidemiology of genital human papillomavirus infection. American Journal of Medicine, 102(5A), 3-8. Satterwhite CL, et al. Sexually transmitted