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Slide 22 of 32


There are four ways that chemicals can enter the body. By inhalation or breathing the chemical in, by ingestion, by contact with the eyes or skin and by injection. The latter route could occur in an occupational setting by a cut sustained from broken glass or a similar method.
Exposure depends on the nature of the material, how much is taken in, and how long the exposure lasts. Other factors such as age, physical well being, and gender also have an impact on the exposure. A lot of people like to drink coffee. And the ingredient in coffee that we like so much is caffeine. In concentrated form, caffeine is very toxic. The concentration in a cup of coffee is not generally harmful. If you drink a few cups of coffee each day your body is able to metabolize the caffeine. But if you were to drink, a whole pot at one sitting, your body would be overwhelmed by the caffeine and react negatively.