Background: The Agricultural Health Study (AHS) studied farmers and their spouses in North Carolina and Iowa. It also included people who worked with pesticides in Iowa. They answered a questionnaire and gave data about their children born since 1975. Researchers want to link this data to public data like birth and death certificates. They want to study how early life exposures to farms are linked to cancer and other bad health outcomes. Objective: To study data to find links between early life farm exposure and negative health outcomes. Eligibility: There will be no human subjects. Design: Researchers will get public data in the two study states. This will come from things like: Birth certificates Driver s licenses Voter registration Death certificates Based on these plus the AHS data, they will create a study group. It will be called Early Life Exposure in Agriculture (ELEA). Researchers will link ELEA data to cancer data. This will identify prevalence of cancer. They will study parents answers on the AHS. The topics include farm practices and pesticide use. They will determine ELEA exposure to pesticides. Researchers will analyze the cancer and pesticide results and look for links.
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Cancer incidence
Timeframe: Birth through 2014
Mortality
Timeframe: Birth through 2014