Out of Breath.

Lead author Alexandra White, an epidemiologist at the National Institute of Environmental Health Sciences, speculates that airborne pollutants make people more susceptible to breast cancer by disrupting "the normal hormonal mechanisms in our bodies." AIR POLLUTION is one of the world's greatest public health threats, reducing global life expectancy more than smoking, alcohol or childhood malnutrition. SMALLER BABIES Along with the elderly and already ill, babies tend to suffer the most from air pollution; it has been shown to impair their lungs, their immune responses and even their size. [Extracted from the article]