PsychologySeptember 1, 2026
exogenous
ek-SOD-ji-nus
Definition
Originating or produced from outside an organism or system.
Etymology
Derived from the Greek 'exo' (outside) and 'genous' (produced or born), entering English in the late 19th century primarily for scientific and biological contexts.
In the news
The article uses the term to describe external interventions, such as drugs or supplements, that people use to artificially alter natural physical performance.
Personal Perspective: The psychological stress of political confirmation bias.
Read the full article ↗Psychology Today