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The goal of the NHALES Study is to help scientists understand how bacteria and other factors in the environment affect people who have moderate to severe asthma.

Many women develop irregular menstrual cycles which may make it difficult to become pregnant and increase the risk of osteoporosis.

According to the Centers for Disease Control and Prevention, cigarette smoking causes more than 480,000 deaths each year in the United States, which translates to causing nearly one of every five deaths.

We surveyed a sample of both health care providers and patients at Federally Qualified Health Centers during the time period of 2009 and 2010 about their practices, beliefs, and barriers to using the co-test and extending cervical cancer screening intervals for women between 30 and 60 years old.

CDC's Division of Cancer Prevention and Control (DCPC) works with national cancer organizations, state health agencies, and other key groups to develop, implement, and promote effective strategies for preventing and controlling cancer.

Data and Statistics information from the Centers for Disease Control and Prevention.

The Environmental Polymorphisms Registry (EPR) is a long-term initiative to collect approximately 20,000 DNA samples from individuals.

This study intends to investigate the genetic and environmental risk factors involved in the development of myositis, an autoimmune muscle disease that causes chronic muscle weakness.

The gene p53 suppresses cancer and inflammation in the body, and NIEHS investigators speculate that changes in p53 lead to changes in inflammation and the ability to repair DNA damage.

Researchers are interested in developing a registry protocol to obtain biologic and environmental samples anonymously from adult volunteers for use in laboratory tests and studies.