Fish oil can reduce the oxidative damage caused by air pollution in the brain, lungs, heart, & testicles by 30-50%.

A pilot trial in humans given 3 g/day of either fish oil or olive oil for 4 weeks showed that fish oil protected against the adverse cardiac and lipid effects associated with air pollution exposure. Air pollution has been linked to a 22% increased risk of dying from all cancers, increased Alzheimer’s disease, heart disease, and lung disease.