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Dangers of Secondhand Smoke
SIDS

Sudden Infant Death Syndrome (SIDS) is the leading cause of death in otherwise healthy infants aged one month or older. While the causes are not fully understood, infants who are exposed to tobacco smoke in the womb or after birth have a greater risk of SIDS than infants with no smoke exposure. Chemicals in secondhand smoke appear to affect the infant’s brain in ways that interfere with the ability to regulate breathing. Infants who die from SIDS have higher concentrations of nicotine and cotinine, a marker for secondhand smoke exposure, than infants who die from other causes.