The National Institute of Environmental Health Sciences (NIEHS)

The National Institute of Environmental Health Sciences (NIEHS) is a U.S. government research organization focused on understanding how the environment affects human health. It studies pollutants, chemicals, and other environmental factors to identify risks and develop ways to prevent or reduce health problems caused by environmental exposures. By conducting scientific research, supporting studies, and providing information, NIEHS aims to improve public health and inform policies that create safer environments for everyone.