This fact sheet answers the most frequently asked health questions (FAQs) about lead. For more information, call the ATSDR Information Center at 1-800-232-4636. This fact sheet is one in a series of summaries about hazardous substances and their health effects. It is important you understand this information because this substance may harm you. NCEH/ATSDR Program Overviews/State Fact Sheets. Links with this icon indicate that you are leaving the CDC website.. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. Information for health professionals and citizens, including state health statistics, prevention and health promotion, and health care and health-related professions. Jul 23, 2014 · The ATSDR ToxFAQs™ is a series of summaries about hazardous substances developed by the ATSDR Division of Toxicology. Information for this series is excerpted from the ATSDR Toxicological Profiles and Public Health Statements. Each fact sheet serves as a quick and easy to understand guide.