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Drought is a natural phenomenon in which rainfall is lower than average for an extended period of time. Periods of drought can result in inadequate water supply and can lead to public health problems. Take action and learn how drought can impact your health and the health of your family.

Michele C. Hlavsa, MPH1, Trisha J. Robinson, MPH2, Sarah A.

Please note: An erratum has been published for this article. To view the erratum, please click here.

National DNA Day is the perfect time to share what you know about DNA and learn more. Visit the National DNA Day website to find resources for teachers, students, and anyone else who wants to improve their understanding of DNA, genetics, and genomics. The website also has information for experts in genetics and genomics who are interested in outreach to schools and other places in their community. Read more about how you can participate in National DNA Day.

The journal Obesity has published a new study online: “Modeling the Potential Public Health Impact of Prepregnancy Obesity on Adverse Fetal and Infant Outcomes.” You can read the article’s abstract here. See below for a summary of the findings from this article.

From 2010 through 2012, the New York City Department of Health and Mental Hygiene engaged in multiple smoke-free-air activities in collaboration with community, institution, and government partners. These included implementing a law prohibiting smoking in all parks and beaches as well as working to increase compliance with existing Smoke-free Air Act provisions.

This is another in a series of occasional MMWR reports titled CDC Grand Rounds. These reports are based on grand rounds presentations at CDC on high-profile issues in public health science, practice, and policy. Information about CDC Grand Rounds is available at http://www.

NCCDPHP supports a variety of activities that improve the nation's health by preventing chronic diseases and their risk factors. Major program areas are listed.

Secondhand Smoke Fact Sheets.

Watch CDC’s Public Health Grand Rounds, “Pre-Exposure Prophylaxis (PrEP) for Prevention of HIV Infection,” which will be held on May 20, at 1 p.m. (EST) at www.cdc.gov/about/grand-rounds.