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University of Iowa News Release


June 22, 2009

At A Glance

Holden Cancer Center monthly cancer tip: Understanding sunscreen SPF ratings

UVB and UVA rays can damage skin and cause cancer. UVB rays cause redness or sunburn, while UVA rays cause wrinkles and other aging of the skin.

Most sunscreens provide protection from UVB rays, but not all protect against UVA rays. The SPF, or Sun Protection Factor, rating indicates how well a product protects skin from UVB rays. Dermatologists recommend daily use of a sunscreen with an SPF of 15 or higher.

The SPF system, however, does not indicate how much a sunscreen protects against UVA rays. Check the ingredient list for zinc oxide and titanium dioxide -- two blockers that are stable and protect well against UVA rays. Two other UVA blockers commonly used in sunscreen, avobenzone and Mexoryl SX, can be unstable and breakdown easily in the sun.

To learn more, visit or contact Holden Comprehensive Cancer Center/Cancer Information Service at the UI at 800-237-1225 or visit

Gomez receives grant from the Robert Wood Johnson Foundation

Oscar Gomez, M.D., Ph.D., University of Iowa assistant professor of pediatrics and infectious diseases specialist at UI Children's Hospital, has received a four-year, $419,958 grant from the Harold Amos Medical Faculty Development Program, a national program of the Robert Wood Johnson Foundation.

The program provides junior faculty research awards to physicians from historically underrepresented groups who are committed to developing careers in academic medicine, improving the health of underserved populations and furthering understanding and elimination of health disparities.

Gomez will study enterotoxigenic E. coli, a bacterium that is a leading cause of childhood diarrhea in developing countries and the most important cause of "traveler's diarrhea." By studying how the bacterium colonizes the gut, Gomez hopes to lay the groundwork for developing a vaccine to protect against diarrheal disease.

For more information, visit and

Whiteman named interim director of Institute for Economic Research

Charles Whiteman, professor of economics and associate dean of the Tippie College of Business, has been named interim director of the University of Iowa's Institute for Economic Research. He replaces John Geweke, who has accepted a new research and teaching position in Australia.

The Institute for Economic Research serves as an advisory group to the Governor's Council of Economic Advisors and issues a quarterly forecast of Iowa income, employment and state revenues developed using the latest advances in econometrics.

The forecasts are used by the state's Revenue Estimating Conference in determining the official prediction of the rate of growth of tax revenues for the coming two fiscal years.

A native of Atlantic, Iowa, Whiteman previously headed the IER from 1990 to 1997 and from 2003 to 2007.


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