Babies exposed to higher levels of neurotoxin more likely to have difficulty controlling impulses later, research showsExposure to common air pollution may cause childhood obesity because it affects children’s ability to control impulse, new first-of-its-kind peer-reviewed research finds.Particular matter 2.5 (PM2.5) is a neurotoxin that has been linked to obesity, and Mt Sinai researchers say they have for the first time identified impulse control as a potential pathway. The study found that babies exposed to higher levels of PM2.5 during their first year of life were more likely to develop difficulties with controlling impulses later in childhood.

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