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Together, these findings highlight that adolescent vaping may interfere with normal pulmonary development by disrupting alveolar formation and inducing long-term structural and functional deficits

PMID 15217868

"How To Stop Smoking: Dealing with Cravings," MedlinePlus

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Chronic insomnia can also result from: Shift work Sleep apnea Poor sleep habits Use of certain medications Underlying medical conditions (physical or mental) You may also experience chronic insomnia if you use excessive amounts of caffeine, alcohol, or nicotine