THE JOURNAL OF PEDIATRICS

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Embargoed until 12:00 AM, ET, December 16, 2010

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Study Shows Caffeine Negatively Affects Children: A Majority Consume Caffeine Daily

Cincinnati, OH, December 16, 2010 -- Caffeine consumption in children is often blamed for sleep problems and bedwetting. Information on childhood caffeine consumption is limited, and many parents may not know the amount or effects of their child’s caffeine consumption. In a study published in The Journal of Pediatrics, researchers found that 75% of children surveyed consumed caffeine on a daily basis, and the more caffeine the children consumed, the less they slept.

Dr. William Warzak and colleagues from the University of Nebraska Medical Center surveyed the parents of over 200 children 5 to 12 years old during routine clinical visits at an urban pediatric clinic. Parents were asked to report the types and amounts of snacks and beverages their child consumed on a daily basis.

According to Dr. Warzak, “Some children as young as 5 years old were consuming the equivalent of a can of soda a day.” The authors also noticed that the older children drank more caffeinated beverages. “Children between the ages of 8 and 12 years consumed an average of 109 mg a day,” Dr. Warzak explains, “the equivalent of almost 3 12-ounce cans of soda.”

Researchers found, however, that caffeine was not linked to bedwetting in these children. “Contrary to popular belief,” Dr. Evans, coauthor and statistician, clarifies, “children were not more likely to wet the bed if they consumed caffeine, despite the fact that caffeine is a diuretic.”

The study authors stress the importance of parental awareness regarding their child’s caffeine consumption. “Parents should be aware of the potentially negative influence of caffeine on a child’s sleep quality and daily functioning,” Dr. Warzak asserts. The authors suggest that primary care pediatricians may be able to help by screening patients for caffeine consumption and educating parents about the potentially harmful effects of caffeine.

The study, reported in “Caffeine Consumption in Young Children” by William J Warzak, PhD, Shelby Evans, PhD, Margaret T Floress, PhD, Amy C Gross, PhD, and Sharon Stoolman, MD, appears in The Journal of Pediatrics, DOI 10.1016/j.jpeds.2010.11.022, published by Elsevier.

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ABOUT THE JOURNAL OF PEDIATRICS

The Journal of Pediatrics is a primary reference for the science and practice of pediatrics and its subspecialties. This authoritative resource of original, peer-reviewed articles oriented toward clinical practice helps physicians stay abreast of the latest and ever-changing developments in pediatric medicine. The Journal of Pediatrics is ranked 4th out of 94 pediatric medical journals (2010 Journal Citation Reports, published by Thomson Reuters). URL: www.jpeds.com

ABOUT ELSEVIER

Elsevier is a world-leading publisher of scientific, technical and medical information products and services. The company works in partnership with the global science and health communities to publish more than 2,000 journals, including The Lancet (www.thelancet.com) and Cell (www.cell.com), and close to 20,000 book titles, including major reference works from Mosby and Saunders. Elsevier’s online solutions include SciVerse ScienceDirect (www.sciencedirect.com), SciVerse Scopus (www.scopus.com), Reaxys (www.reaxys.com), MD Consult (www.mdconsult.com) and Nursing Consult (www.nursingconsult.com), which enhance the productivity of science and health professionals, and the SciVal suite (www.scival.com) and MEDai’s Pinpoint Review (www.medai.com), which help research and health care institutions deliver better outcomes more cost-effectively. A global business headquartered in Amsterdam, Elsevier (www.elsevier.com) employs 7,000 people worldwide. The company is part of Reed Elsevier Group PLC(www.reedelsevier.com), a world-leading publisher and information provider, which is jointly owned by Reed Elsevier PLC and Reed Elsevier NV. The ticker symbols are REN (Euronext Amsterdam) REL (London Stock Exchange), RUK and ENL (New York Stock Exchange).

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