Throughout a career spanning seventy-two years and thirteen American presidents, Herblock's spare, folksy cartoons made complex issues seem simple and moral choices clear. Syndicated throughout America, his cartoons focused on important issues of the time, making readers take note of the human folly[...]
The lungs provide a significant opportunity for the introduction of both therapeutic and toxic chemicals into the human body. In occupational and domestic environments, hazardous chemicals can enter the body through the lungs via gases, aerosols, and particulates from natural and anthropogenic sourc[...]