Canada monitors smoking prevalence through national surveys administered by Statistics Canada and Health Canada
the present work is unrelated to these relationships
However, its essential not to overpack and assume that you can breeze past the gate with all your items
The most important myth hed like to bust: Occasional smoking wont hurt you or cause lung cancer

Examples of symptoms during cannabis influence: Intoxication, euphoria Giggling, cheerfulness, spacey and silly, smiles Talkativeness, more socially active Adhesive in speech and thought Grandiose thoughts Red, bloodshot eyes, shiny eyes Dilated pupils, drooping eyelids Dry feeling in the mouth and throat Craving for sweets Slow reflexes, slack muscles (low tone) Clumsiness Slurred speech Palpitations (tachycardia) Drowsiness, tiredness, lethargy, drowsiness Incoherent in speech and thought Passivity, introversion Anxiety attacks, panic attacks Paranoid thoughts Delusions, hallucinations Withdrawal Cannabis can cause withdrawal symptoms, even long after use: Irritability Memory lapses Concentration difficulties Sleep disturbances Nightmares Feeling of unreality Anxiety Depression Hallucinations and psychotic symptoms can occur in severe cases, even full-blown psychoses, especially after intense use or consumption of very strong preparations

Tobacco in History and Culture: An Encyclopedia (Detroit: Thomson Gale, 2005)