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Nicotine is a highly addictive chemical compound found in tobacco products, including cigarettes, cigars, and vaping devices

(American Academy of Ophthalmology) Also in Spanish Inhaled Marijuana and the Lungs (American Thoracic Society) - PDF Also in Spanish Medical Cannabis and Multiple Sclerosis (National Multiple Sclerosis Society) What You Need to Know (And What We're Working to Find Out) About Products Containing Cannabis or Cannabis-Derived Compounds, Including CBD (Food and Drug Administration) Also in Spanish Specifics 5 Things to Know about Delta-8 Tetrahydrocannabinol (Delta-8 THC) (Food and Drug Administration) Also in Spanish Synthetic Cannabinoids (National Institute on Drug Abuse) Also in Spanish Images Marijuana (Drug Enforcement Administration) Statistics and Research Cannabis Facts and Stats (Centers for Disease Control and Prevention) Clinical Trials ClinicalTrials.gov: Cannabinoids (National Institutes of Health) ClinicalTrials.gov: Cannabis (National Institutes of Health) ClinicalTrials.gov: Cannabis Use Disorder (National Institutes of Health) ClinicalTrials.gov: Medical Marijuana (National Institutes of Health) Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine) Article: Recent cannabis exposure and acute nicotine effects: insights from randomized, double-blind,

But, after a few weeks of being smoke-free, this mood variability normalizes
Sex differences in availability of beta2*-nicotinic acetylcholine receptors in recently abstinent tobacco smokers