Until now certainty about autism has not been solved. In fact, the development of the number of children with autism is now more worrying. In the United States, comparison of children with autism with normal 1:150, while in the UK 1:100. Indonesia does not have accurate data on it.
The scientists say autism occurs due to a combination of factors, including genetic factors triggered by environmental factors. Here are the factors that allegedly trigger autism is still mysterious.
In general, the experts identified 20 genes that cause autism spectrum disorders. The gene plays an important role in brain development, brain growth, and the way brain cells to communicate.
thalidomide was banned in America because of the many reports of birth defects. However, these drugs are now prescribed to overcome skin disorders and cancer therapy. Meanwhile, valproic acid is a drug used for people with mood disorders and bipolar disorder.
- parental age
"It is not known with certainty relations autism with aged parents. However, it is presumably because the gene mutation factor," said Alycia Halladay, director of research at Autism Speaks Environmental Studies.
- brain development