This may explain why many children with autism in South Korea may go unnoticed and may explain a significant difference with children in the United States.

CNN: South Korean study may lead to higher autism estimates

According to the researchers, few children in South Korea are put in special education classes.

CNN: South Korean study may lead to higher autism estimates

Using mathematical algorithms, researchers estimate 1 in 38 children in South Korea have an autism spectrum disorder.

CNN: South Korean study may lead to higher autism estimates

The study revealed another provocative finding: Adopted children born in another country most in this study were from South Korea were slightly less likely to have ADHD than adopted children born in the United States.

NPR: Adopted Teens Face Higher Risk for ADHD

Children in North America, South Korea, China and Japan attend similar BASF-sponsored programs.

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" Hong then adds: "The money that he is giving to North Korea could buy food for the millions of South Korean children who are now starving because their parents lost jobs as a result of President Kim's lopsided reform policies.

CNN: Evaluating Kim

In this new study, researchers looked at all 55, 000 school children in a large metropolitan community of Seoul, which they say is representative not only of South Korea, but also many other developed nations.

CNN: South Korean study may lead to higher autism estimates