Environmental Factor

NIEHS scientists have discovered a gene mutation that contributes to the severity of a respiratory syncytial virus (RSV) infection.

Using hexavalent chromium as a case study, the National Toxicology Program developed a new approach to evaluating impact of its research.

NIEHS grantees found that cognitive function improved with exercise, but not for people exposed to high levels of mercury before birth.

NIEHS-funded researchers at Johns Hopkins reported that fracking in Pennsylvania was associated with migraines, fatigue, and sinus problems.