The demand for donated organs in wealthy nations is rising much faster than the supply of organs donated through traditional means can meet, leading to a small but growing number of people living in poverty who sell their vital organs on the black market.

Countries like Brazil, Mexico, Peru and Bolivia are among the nations where organ trafficking has become a major underground business as demand for these body parts rises in the United States, which has become the largest supplier and market for the trade, according to a news report by the International Consortium of Investigative Journalists (ICIJ).

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