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A study examining the fish-eating habits of pregnant women has discovered that mercury exposure are not linked to autism or autistic traits in their children. Using analysis of blood samples, fish consumption and information on autism and autistic traits from one of the largest studies to date, they found no links between levels of mercury in the mothers and autistic traits in their children. The only adverse effect of mercury found was poor social cognition if mothers ate no fish at all, especially for girls.
The finding confirm the safety of eating fish during pregnancy, no evidence to support claims that mercury is involved in the development of autism or autistic traits. All species of fish contain traces of mercury, which can harm brain development, but the health benefits of fish, like vitamin D, omega-3 fatty acids, selenium and iodine, outweigh the risks of mercury.
According to the Director of the National Autistic Society’s Centre for Autism, Carol Povey, there should be more research to investigate the cause of autism. The exact causes of autism are still not fully understood, research to date has shown it involves many complex and interacting factors, including genetics, the environment and the development of the brain.
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