Healthy Inspirations

Air Pollution and Autism

Wed, 6 Jan 2021
A study from Monash University, Australia recently revealed that children who are frequently exposed to air pollution may be at higher risk of growing up with 

autism spectrum disorder (ASD). ASD is the name for various conditions, including Asperger's syndrome, which affects a person's social interactions, communication, interests and behavior, a threat especially faced by new born babies born to three years old.

Air pollution is believed to be linked to autism, including pollution caused by diesel, lead, manganese and mercury. Uniquely, most of the pollutants the researchers studied had a correlation with autism in boys than girls.

The research, published in the journal Environment International, is the first to look at the effects of long-term exposure to air pollution on ASD during the early life of children in developing countries.

These findings add to the evidence linking prenatal air pollution exposure to ASD in children. "The causes of autism are complex and not fully understood, but environmental factors are increasingly being recognized alongside genetic and other factors," said Associate Professor Yuming Guo of Monash University's School of Public Health and Preventive Medicine, Australia.

These results at the same time strengthen previous research linking the occurrence of autism in children due to air pollution during pregnancy. "It's not clear how heavy metals or other chemicals found in air pollution can affect fetal development, but studies have shown traffic pollutants, such as diesel, can induce brain inflammation in animals," said Marc Weisskopf, professor of environment and epidemiology at the Harvard School of Public Health.

Air pollution is a big public health problem. According to the World Health Organization (WHO), pollution is estimated to claim up to four million people every year worldwide, especially in countries such as China and India.
 
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