Nutrition and Disease

by D.J. Arneson

Published 1 October 1992
Discusses the functions of the body's systems, including skeletal, muscular, and nervous; and examines the relationship between nutrition and breakdowns in body systems and diseases.

Toxic Cops

by D.J. Arneson

Published 1 February 1991
Discusses several threats to the environment, laws that have been enacted to protect it, and the branch of the Environmental Protection Agency and other local groups that enforce such laws.