However, both urban PM and diesel exhaust particulate promote a proinflammatory phenotype in macrophages and endothelial cells, via interaction with oxidative stress pathways. Particle-induced ...

A certain amount of free radicals are necessary to keep our bodies functioning normally, but it’s “when these become increased to excessive levels that oxidative stress occurs,” he says.

The increasing contamination of soils by heavy metals, such as copper and lead, poses significant ecological risks.

A new study suggests genetic changes allow horses to produce more energy, while minimizing the toll the energy takes on cells.