Experts say more research needed as study indicates slightly higher autism diagnosis risk in areas with high lithium levels in drinking water
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A recent study has found a moderate increase in the risk of autism spectrum disorder (ASD) in children born to pregnant individuals exposed to tap water with higher levels of lithium. However, it’s important to note that this association does not demonstrate a direct link between the two.
Autism spectrum disorder affects approximately 1 in 36 children in the US each year. While genetics may be a contributing factor, researchers have also been exploring potential environmental causes. The exact cause of autism is still unknown.
There has been speculation about the rising number of autism cases, but the reasons behind the increase are unclear. One study conducted in the New York-New Jersey area found that autism diagnosis rates tripled among certain age groups between 2000 and 2016. However, the increased number of cases may be attributed to more doctors screening for the condition.
Lithium, an alkali metal found naturally in some food and groundwater, has been linked to autism diagnosis. It is widely used in batteries, grease, air conditioners, and in the treatment of bipolar disorder and blood disorders. The levels of lithium in US drinking water are not regulated.
A new study published in the journal JAMA Pediatrics has discovered a small association between lithium and autism diagnosis in Denmark, where the concentration of lithium in drinking water is similar to that in American water systems. The study examined data from 8,842 cases of ASD and 43,864 participants who did not have ASD. As lithium levels in water increased, there was a modest increase in the risk of ASD diagnosis. However, the study could not determine the amount of water consumed by pregnant individuals.
It is important to note that the research cannot prove that lithium exposure directly leads to an autism diagnosis. Further studies are required to replicate the findings in other countries and investigate similar connections.
While the implications of the study are complex in terms of public health policy, it is crucial to thoroughly examine drinking water contaminants that may affect the development of the human brain. The association between lithium levels in water and potential ASD risk needs to be carefully considered in future guidelines.
Other studies have also suggested connections between ASD and environmental exposures such as pesticides, air pollution, and phthalates. However, none of these factors have been identified as direct causes of the disorder.
As we navigate through various environmental stressors, it is essential to understand the potential impact they may have on our lives. Our company is committed to staying at the forefront of technology development and providing top-notch software outsourcing services. Contact us today for all your software development needs, including mobile app development, technology maintenance, and web server development.