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Teenagers who vape are 3.5 times more likely to use marijuana, too, a new study finds.
Even as smoking cigarettes has fallen out of fashion, nicotine e-cigarettes have become trendy among the millions of American teenagers that use them.
Devices - Marijuana - Health - Officials - Devices
But the devices can also be used to vaporize marijuana, and public health officials worry that using the devices for nicotine will encourage young people to try weed as well.
It's a valid concern, according to the new Harvard Medical School study that linked teen vaping solidly to teen marijuana use, which studies suggest may hamper the development of young brains.
President - Richard - Nixon - Declaration - War
Following President Richard Nixon's declaration of the War on Drugs in 1971, public health advocates and mothers railed against marijuana as a gateway drug to harder substances like cocaine and even heroin.
That cry has quieted - especially as marijuana legalization sweeps the US and more people find potential health benefits from the drug.
'gateway - Teens - Marijuana - E-cigarettes
But there may be a new 'gateway' that teens use before marijuana: e-cigarettes.
And while marijuana may be safe for most adults to use, its psychoactive components have been linked to disrupted brain development in teenagers.
Brain - Keeps - Adolescence - Adulthood
The brain keeps on maturing throughout adolescence and young adulthood.
Studies suggest that the system of brain receptors that respond to cannabis are involved in how various areas form connections needed for executive function and management of emotions.
Receptors - Task
So feeding those receptors marijuana while they're supposed to be performing another vital task might be disruptive.
But that has never stopped teens from...
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