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The National Institute of Environmental Health Sciences, and other agencies that make up the Department of Health and Human Services (HHS) are set up to immediately respond and protect the health of our nation during disasters and other emergencies.

Radon is a colorless, odorless radioactive gas. It comes from the natural decay of uranium or thorium found in nearly all soils.

Hazardous wastes are discarded materials with properties that make them potentially harmful to human health or the environment.

Hexavalent chromium is a form of the metallic element chromium. Chromium is a naturally occurring element found in rocks, animals, plants, soil, and volcanic dust and gases.

The goal of this research study is to compare persons who developed myositis during active duty to military personnel without autoimmune or muscle diseases, to assess risk factors for myositis.

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. The samples will be used to determine if new tests are sufficiently valid and precise to be used in research studies and for quality control purposes.

Asthma patients seem to be more prone to viral infections, and NIEHS scientists believe that the cells that line these patients' airways, cause this result by overproducing TGF-beta1, a protein that promotes viral growth. This study seeks participants with and without asthma to contribute airway cell samples.

Millions of Americans and people worldwide are overweight or obese.

Autism, also known as ASD, is a spectrum of disorders that causes impairment in social interaction, as well as the presence of repetitive, restricted behaviors and interests.

NIEHS funds a substantial portfolio of research in the field of environmental health sciences conducted by investigators in many disciplines from various organizations. These research activities span the range from basic mechanistic research to clinical and epidemiologic studies using human subjects. NIEHS-supported investigators are currently determining how environmental agents cause or exacerbate a variety of human diseases. NIEHS is also committed to developing the next generation of environmental health scientists by supporting a variety of interdisciplinary training programs.