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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.

Reduce, Reuse, Recycle — Three great ways YOU can eliminate waste and protect your environment! The waste we create has to be carefully controlled to be sure that it does not harm your environment and your health.

Scientists get to solve puzzles every day, because science and research involve finding solutions from the clues that we are given. Puzzles, brainteasers, riddles, and songs are provided for kids' enjoyment.

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

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.

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

Electric and magnetic fields (EMFs) are invisible areas of energy, often referred to as radiation, that are associated with the use of electrical power and various forms of natural and man-made lighting.

Laser Microdissection provides the following information to NIEHS researchers interested in the process of microdissection.

Scientists have not unanimously settled on a precise definition of nanomaterials, but agree that they are partially characterized by their tiny size, measured in nanometers.

The National Institute of Environmental Health Sciences (NIEHS) is one of the lead research agencies studying the environmental causes of Parkinson’s disease, a neurodegenerative disease thought to be caused by the interaction of genes and environment.