Environmental factors include exposure to certain artificial chemicals from industrial processes, medicines, farming, and food preparation.

By using natural remedies humans are able to minimize the use of artificial chemicals, unnatural stimulants and our dependence on prescribed drugs, making our treatments more effective.

Dermatoxins can be drugs, natural chemicals, or artificial chemicals.

In one particularly famous experiment, young salmon were imprinted with artificial chemicals and were released into the wild to perform their normal migrations.

All around them quick-growing trees had been planted which Antar had fertilized with artificial chemicals.

A common theme is his claim that many liberal environmental groups have a hysterical response to most artificial chemicals.

Traditionally reared organic lamb, farmed on land entirely free from artificial chemicals, is harder to find.

The most reliable way to maintain or increase the levels of worm population in the soil is to avoid the application of artificial chemicals.

Processed food, therefore, not only tends to be deficient in essential nutrients but also contains an increasing array of possibly toxic artificial chemicals.