Thalidomide is an infamous teratogen. Women can be exposed to this substance while trying to control nausea during pregnancy. Thalidomide was given (mostly in the late fifties) as a medication to control the nausea (it was removed from the market in 1961). Thalidomide causes severe malformation risks to a developing fetus.
adjective. The definition of naive is being immature, unaware or overly trusting. An example of naive is someone who believes that the moon is made of cheese because their mother said it was.
imÂ·beÂ·cile. n. 1. A person who is considered foolish or stupid. 2. A person of moderate to severe mental retardation having a mental age of from three to seven years and generally being capable of some degree of communication and performance of simple tasks under supervision.