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Children often imitate adults and are naturally curious, touching and tasting just about everythingincluding tobacco products
The following exclusion criteria for smokers and non-smokers were used: acute physical illness, claustrophobia, history of head injury with skull fracture, presence of metal dentures, history of alcohol or drug abuse or dependence, history of central nervous system diseases or conditions, history of medical conditions with significant effects on the central nervous system, history of mental illness, and family history of psychopathic disorders
It doesnt eliminate harms and may change exposure in ways that are potentially worse for the lungs and airway