Study Warns About Second Hand Marijuana Smoke Around Children

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Dr. Karen Wilson, the Division Chief of General Pediatrics at Mount Sinai Hospital, recently finished authoring a study showing that children absorb chemicals from secondhand marijuana smoke.

According to this article on, this study looked at children, ages 1 month to 2 years, who were hospitalized for bronchiolitis. They all lived in Colorado, a state where recreational marijuana is legal, and their urine samples were sent to the Centers for Disease Control and Prevention for a screening that detects low levels of marijuana metabolites.

Unsurprisingly, 75 percent of the children whose caregivers indicated they’d been in a home where they’d been exposed to cannabis had traces of marijuana in their urine.

Wilson concluded that “There is a strong association between those who said there was someone in the home who used marijuana or a caretaker who used marijuana and the child having detectable marijuana levels.”

“Our hypothesis is that it is not good for kids,” she says.

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