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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.

Endocrine disruptors are chemicals that may interfere with the body’s endocrine system and produce adverse developmental, reproductive, neurological, and immune effects in both humans and wildlife.

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.

Acrylamide is a chemical widely used during the manufacturing of paper, dye, and other industrial products. It can also be formed when certain foods are cooked at high temperatures. Frying, baking, or roasting certain foods, such as potatoes or grains, can create acrylamide. French fries and potato chips, for example, may have measurable acrylamide levels. Acrylamide is also found in cigarette smoke.

Autoimmune diseases result from a dysfunction of the immune system.

A study is being conducted for individuals with the autoimmune disease polymyositis or dermatomyositis. The goal of this research study is to better understand the environmental risk factors that may result in these diseases.

Your participation in Natural History of Asthma with Longitudinal Environmental Sampling (NHALES) Asthma Study will contribute to research on how the environment affects the human body and asthma. Please consider joining today.

Girls seem to be going through puberty a lot earlier these days and doctors think it may be related to body weight. This study researches whether overweight girls go through puberty earlier than normal weight girls.

Ozone is a highly reactive form of oxygen.

NIEHS Studies - Open for Recruitment