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Health & FitStudy prompts call for lower fluoride consumption by pregnant women

19:15  19 august  2019
19:15  19 august  2019 Source:   reuters.com

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a study carried out at the University of Toronto, Canada found that a correlation between fluoride in the urine of pregnant women and lower measures of Fluoride is a chemical compound that is found primarily in toothpaste. Its purpose is to prevent cavities. Fluoride has even been added to the water

Avoiding fluoride reduced anemia in pregnant women and decreased preterm births, according to a new study and based on the report of the Medical News Today. "Anemic pregnant women living in India, whose urine contained 1 mg/L fluoride or more, were separated into two groups.

(Reuters Health) - Adding fluoride to the water supply prevents tooth decay, but women who drink fluoridated water during pregnancy may also trim the IQs of their male children by a few points, according to a Canadian study that suggests a serious drawback to a long-established public health intervention.

Study prompts call for lower fluoride consumption by pregnant women © petrunjela/Getty Images

The study in JAMA Pediatrics looked at fluoride consumption by pregnant women and the effect on their babies by age 3 or 4. It did not examine whether drinking fluoridated water or getting the mineral from other sources after birth suppresses a child's intelligence.

The effect was clear for boys. Girls, on the other hand, showed an increase in I.Q., but it wasn't statistically significant, meaning it could have been due to chance. The gender difference may reflect the fact and male and female brains may develop differently, the researchers said.

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Women who have higher levels of fluoride in their urine during pregnancy may be more likely to have children with lower intelligence, a new study reports. Fluoride may impact fetal nervous system. The results revealed that women who had higher levels of fluoride in their urine during pregnancy were

Purpose: Many pregnant women are afraid to seek dental care and do not realize the importance of dental care, and many have limited access to dental services. Women attended one class about oral health and completed the revised Oral Health Belief scale before and after the class.

For the typical mother-to-be living in a community that adds fluoride to the drinking water, the decline in IQ was 1.5 points (for boys only) or 2.3 points, depending on how fluoride exposure was measured.

"We're talking about the fetus and right now there is absolutely no benefit derived for the fetus" from fluoride, senior author Christine Till of York University in Toronto told Reuters Health in a telephone interview. "If anything, there is a potential for risk."

Thus, she said, the idea of limiting fluoride during pregnancy is "a no brainer" - and a major source is fluoridated water.

Fluoride only protects against cavities when applied directly to the tooth enamel, so there is no benefit to a baby until the child's teeth have appeared.

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If it is determined that a topical fluoride treatment is needed to minimize the effects of erosion, fluoride varnish Pregnancy Risk Categories10. Category A. Controlled studies show no risk. Adequate well-controlled studies in pregnant women have not shown increased risk of fetal abnormalities

First, some of the fluoride /IQ studies have controlled for the key relevant factors, and significant associations between fluoride and reduced “In this study , higher prenatal fluoride exposure, in the general range of exposures reported for other general population samples of pregnant women and

Based on the new results, and other research from Mexico City which found a similar decline in I.Q., "The hypothesis that fluoride is a neurodevelopmental toxicant must now be given serious consideration," said David Bellinger of Boston Children's Hospital in an editorial.

Adding fluoride to drinking water to promote dental health has been a fixture of municipal drinking water systems as far back as the 1950s. About two thirds of people in the U.S. now have tap water that is fluoridated, according to the Centers for Disease Control and Prevention. The rates are lower in other countries.

The mineral is also added to toothpaste, which most people spit out after use but children often swallow. Labeling beverages for fluoride is required in Canada but not in the U.S. and other countries.

Other studies have also suggested that fluoride poses this type of risk. Mexican research published in 2017 in found that fluoride consumption produced lower I.Q. scores at age 4 and in older children age 6 to 12. The Canadian study, involving 100 women and their children from 6 major cities, was an attempt to clarify the issue.

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Fluoridation was sold to Americans by none other than the father of public relations himself, Edward Bernays — a nephew of Sigmund Freud, who The ADA declined to state why the study ’s findings were not applicable to pregnant women in the United States, given that fluoride consumption in the

Study of whole-grain intake. Previous studies have suggested that a diet rich in whole grains improves glucose metabolism and can help reduce the risk of T2D in at-risk populations. The present study provided insight into whole-grain intake among pregnant Singaporean women , by performing a

Dr. Bellinger said the I.Q. decline seen in the new study is comparable to what other tests have shown.

Study coauthor Angeles Martinez-Mier, a fluoridation expert and a professor at the Indiana University School of Dentistry in Indianapolis, said that although pregnant women should reduce their fluoride intake, for everyone else, "we don't have enough information to make policy recommendations, so you should stick with what you have," including leaving fluoridation in place.

She also said fluoride might come from different sources, depending on the region. In Mexico, the main source is fluoridated salt. In the U.S., in addition to fluoridated water, the mineral is found in tea, processed meats, sardines, grapes and raisins.

There's also the problem of cost. "Not all women have the means to pay for bottled water and that is a concern to me as a public health dentist," Dr. Martinez-Mier said.

If pregnant women decide to eliminate fluoridated water, "then they should take care of their teeth by reducing sugar and use other forms of topical fluorides that aren't ingested," Pamela Den Besten, a dentist at the University of California San Francisco, who was not involved in the research, told Reuters Health in an email.

SOURCE: http://bit.ly/30ixD3V and http://bit.ly/30t0DWI JAMA Pediatrics, online August 19, 2019.

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