Study finds slightly higher risk of autism diagnosis in areas with more lithium in drinking water, but experts say more research is needed

A new study found a moderately higher risk of autism spectrum disorder in children born to pregnant people exposed to tap water with higher levels of lithium, but experts caution that this association does not show a direct link between the two.A new study found a moderately higher risk of autism spectrum disorder in children born to pregnant people exposed to tap water with higher levels of lithium, but experts caution that this association does not show a direct link between the two.