An eight-year-old girl complains of stomach cramps and constipation. Her mother reports she is listless and irritable. She is potentially exposed to a variety of environmental toxins: solvents from her grandmother's hobby, factory emissions, fumes from a wood stove, and items from her father's construction activities.
A 38-year-old maintenance man presents with non-specific symptoms of fatigue, headache and dizziness. He has potential exposures to several environmental toxicants: insecticides, lead, mold/spores and carbon monoxide in the home, and fumes at work.
Mrs. Morgan is a 28-year-old pregnant woman with a history of spontaneous abortion, who complains of fatigue, nausea, headaches, vaginal spotting, and hand numbness. She is exposed to pesticides through several exposure pathways.
Mrs. Burroughs is a 30-year-old woman with symptoms of shortness of
breath, cough, fever, and lethargy. She had been hospitalized for
pneumonia one month earlier. She has potential exposures at home in her
hobby, as well as in her workplace.