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Formaldehyde is a colorless, flammable, strong-smelling chemical widely used to make home building products.

The goal of this study is to examine the genetic and environmental risk factors in the development of autoimmune diseases in twins and same-sex siblings, when one has an autoimmune disease and the other does not.

NIEHS researchers theorize that changes in the surface proteins of cells called receptors may predispose people to diseases, such as heart disease, arthritis, and diabetes.

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.

Biomarkers are key molecular or cellular events that link a specific environmental exposure to a health outcome.

Dioxins are mainly byproducts of industrial practices. They are produced through a variety of incineration processes, including improper municipal waste incineration and burning of trash, and can be released into the air during natural processes, such as forest fires and volcanoes.

Asthma is an inflammatory disease of the lung. This inflammatory process can occur along the entire airway from the nose to the lung.

Bisphenol A (BPA) is a chemical produced in large quantities for use primarily in the production of polycarbonate plastics and epoxy resins.

NIEHS Studies - Open for Recruitment

Arsenic is a naturally occurring element that is widely distributed in the Earth’s crust. It is found in water, air, food, and soil.