Noxious

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A noxa ( Latin noxa "damage") is a substance or circumstance that has a damaging, pathogenic (i.e. disease-causing) effect on an organism or on a body organ. The term is mainly used in medicine. Scientists differentiate between endogenous (internal) and exogenous (external) noxae. In a broader sense, noxa is understood to mean any type of dangerous, potentially harmful substance and harmful influence.

The most diverse elements can be noxious for humans :

Examples of damage to a body organ are the liver noxae :