falling age of puberty in U.S. girls
Subtitle: what we know, what we need to know
By: by Sandra Steingraber.
Contributors: Breast Cancer Fund.
Publisher: Breast Cancer Fund
Published: 2007
Place of publication: [San Francisco, Calif.]
Language: eng
Number of pages: 72
Subjects: Puberty -- Girls -- United States -- Statistics; Precocious puberty -- Girls -- United States -- Statistics; Menarche -- United States; Child development -- United States
Genres: Statistics.
Notes: Cover title.

Includes bibliographical references (64-72).

Also available via the World Wide Web.

System requirements: Adobe Acrobat Reader.
Table of contents: title: Breast Cancer Fund introduction; title: Acknowledgments; title: Dedication; title: Preface; title: Executive summary; title: Glossary of terms; title: Introduction; title: Part I: Why are we worried about early puberty in girls?; title: Part II: Pubertal time trends in girls in the United States and around the world; title: Part III: How the timing of puberty is controlled; title: Part IV: Insights from evolutionary biology; title: Part V: Possible causes of early puberty (A. Low birth weight and premature birth ; B. Obesity and weight gain ; C. Formula feeding ; D. Physical inactivity ; E. Psychosocial stressors ; F. Television viewing and media use ; G. Environmental exposures); title: Part VI: Conclusions and recommendations; title: Literature cited.