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A new study suggests that mothers who drink fluoridated water during pregnancy (which shows up in their urine) may be giving birth to kids who have slightly lower IQs. The finding held true in boys, but not girls.
The American Academy of Pediatrics still recommends that kids drink fluoridated tap water, because it helps prevent many cavities.
US - Water - Problems - Decay
In the US, places with fluoridated water tend to have fewer problems with tooth decay.
Fluoride in toothpaste and dental treatments also work, but you have to brush your teeth consistently and go to the dentist (which not everybody does).
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Fluoride prevents cavities, there is no doubt about it.
Addition - Fluoride - Drinking - Water - Health
The addition of fluoride to drinking water, which started in the 1940s, was considered one of the 10 great public health achievements of the 20th century by the CDC, along with immunizations, widespread seat belts, and reduced tobacco use.
The CDC estimates that fluoridation now "reduces cavities by about 25% in children and adults."
Evidence - Fluoride - Water - Kind
But there is compelling new evidence that fluoride delivered through tap water may not be the safest kind.
But public health experts don't suggest switching to bottled water just yet. That's because a single study should never overturn years of scientific consensus about the health benefits of fluoridated water.
US - Population - Leo - Trasande - Public-health
"We really need to study this more carefully, study it in a US population, which has not been done," Leo Trasande, a pediatrician and public-health researcher at NYU Langone Health told Business Insider. "In the big picture, I'm not suggesting people shift to bottled water over this issue. There are plenty of lower-hanging fruit here with respect to preventing exposures that disrupt thyroid hormone and ultimately affect brain development."
Some of the easiest ways to ensure brain health in kids, Trasande said, are to make sure there's enough fresh air circulating through your home, reduce your...
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