This research paper consists of various information from four published articles found on the Internet regarding the question of whether or not the MMR vaccine causes autism in children. According to the article MMR Vaccine (2010) in Black's Medical Dictionary, 42nd edition, several studies and experiments have been carried out and till date, there is no direct link between the MMR vaccine and autism. Other researchers like Robert M. Youngson (2004, 2005), who wrote in the Collins Dictionary of Medicine that “No association has been demonstrated between autism and MMR vaccine use. » (Youngson, 2004) An editorial by Stephen I. Pelton, published March 15, 2010 in Family Practice News Magazine, stated that he was pleased that THE LANCET had reprinted the article written by Dr. Andrew J. Wakefield in 1998, which explained a relationship between the MMR vaccine and autism. According to Michelle Meadows, author of an IOM report titled “No link between vaccines and autism,” evidence has not shown an association between the MMR vaccine and autism. (Meadows, 2004) Word bank: MMR: Measles, Mumps, Rubella Dr: Doctor IOM: Institute of Medicine Controversy between MMR vaccination and the possibility of causing autism in children. Many authors have conducted research and experiments to prove that there is no direct connection between MMR vaccination and the possibility of causing autism in children. vaccine and autism. Newspapers, magazines, books, encyclopedias and dictionaries all contain articles written by authors who suggest that there are links and relationships between the MMR vaccine and autism, and many who claim that there is no has no connection. For one to fully understand the meaning of the vaccine, the uses,...... middle of article...... as Robert M. Youngson (2004, 2005) who wrote in the Collins Dictionary of Medicine that: “No association has been demonstrated between autism and the use of the MMR vaccine. » (Youngson, 2004) An editorial by Stephen I. Pelton, published March 15, 2010 in Family Practice News Magazine, stated that he was pleased that THE LANCET had reprinted the article written by Dr. Andrew J. Wakefield in 1998, which explains a relationship between the MMR vaccine and autism. According to Michelle Meadows, author of an IOM report titled “No link between vaccines and autism,” evidence has not shown an association between the MMR vaccine and autism. (Meadows, 2004) To summarize, PARENTS do not feel uninformed. The combination of measles, mumps and rubella vaccines does not cause autism and the preservative additive thimerosal does not cause autism..