Filtered air cuts down mutations

Here’s another possible reason to be concerned about airborne particulates: The microscopic particles cause heritable mutations by damaging the DNA of cells that give rise to sperm, according to a study of mice exposed to air pollution near an industrial site.

Soot and other particulates of various sizes have previously been linked to an array of health problems, including asthma and heart attacks (SN: 8/2/03, p.