
Jasper Lawrence isn’t the typical salesman: He sells parasites for $2,999. People can purchase worms through his company, Autoimmune Therapies, where customers have the choice of swallowing “a dose of whipworm, or [applying] a Band-Aide of hookworms to penetrate the skin.”

Disease: Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur when a fetus that is developing normally is subjected to a destructive agent such as the rubella (German measles) virus.

Congenital: Present at birth. A condition that is congenital is one that is present at birth. There are numerous uses of "congenital" in medicine. There are, for example, congenital abnormalities. (For more examples, see below.)

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