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Health professionals have expressed concern as the large size may make it easier for neurotoxic effects and dependency to develop in users. [32] [33] Additionally, in 2024, flavored nitrous oxide canisters produced by Galaxy Gas and other brands have become popular, and also criticized for seemingly being marketed towards children. [34]
A systematic review of neurodevelopmental effects of prenatal and postnatal organophosphate pesticide exposure was done in 2014. The review found that "Most of the studies evaluating prenatal exposure observed a negative effect on mental development and an increase in attention problems in preschool and school children." [30]
The fetus's development can be impacted through the level of the placenta, and there is evidence to show how prenatal stress can have consequences on the placenta and in turn the fetus during pregnancy. [10] The resulting effects can impact many different areas of the developing child's brain, such as the hypothalamus, corpus callosum, amygdala ...
Overall, those children who were exposed to cocaine during pregnancy had lower scores on the Short Term Memory scale than unexposed children at all age levels, especially boys. Cocaine exposure also predicted lower IQ scores in general. [32] Exposing prenatal offspring to cocaine can cause irreversible damage and increase developmental risks. [32]
Both groups of children completed intelligence measures to compute an IQ. Study results showed that the prenatally exposed children performed lower on the intelligence measures than their non-exposed peers with ADHD. The study results also suggest that prenatal exposure to methamphetamine may negatively impact processing speed as children develop.
The practical effects of the publication of Maternal Care and Mental Health were described in the preface to the WHO 1962 publication Deprivation of Maternal Care: A Reassessment of its Effects as "almost wholly beneficial" with reference to widespread changes in the institutional care of children. [32] Maternity ward, 1955
The effect of pregnancy on platelet count is unclear, with some studies demonstrating a mild decline in platelet count and other studies that show no effect. [24] The white blood cell count increases with occasional appearance of myelocytes or metamyelocytes in the blood. [24] During labor, there is a rise in leukocyte count.
High levels of vehicle pollution where pregnant women reside can have adverse health effects on fetuses. In the United States about 10% of the population, 33 million people, live within 900 meters of a high traffic road [ 1 ] High-traffic roads are commonly identified as being host to more than 50,000 vehicles per day, which is a source of ...