Nicotine, the main active ingredient in tobacco, initially acts as a stimulant by triggering the release of adrenaline and dopamine, which: Increase heart rate Raise blood pressure Stimulate brain activity This is why smokers often experience an initial rush or sense of alertness and pleasure after using tobacco
Dr Malcolm Brodlie, consultant in paediatric respiratory medicine at the Great North Childrens Hospital and MRC clinician scientist and clinical senior lecturer at the Institute of Cellular Medicine, Newcastle University, said: Breathing in secondhand smoke is harmful to people from all age groups, but children are especially vulnerable as their lungs are still developing and they breathe faster than adults, so inhale more of the harmful poisons
Uncomplicated specifically means that no additional cannabis-induced conditions (e.g., withdrawal, psychotic disorder, mood disorder, delirium, anxiety disorder, or sleep disorder) are documented at the time of diagnosis
Instead it has to be "make good choices, do this in moderation, set boundaries," a message that is considerably more difficult to convey