Schizophonia
Member
How is this done? Shouldn't nicotine, on the contrary, protect gray matter by increasing acetylcholinergic neurotransmition?
The first idea that comes to mind is the increase in carbon dioxide.
But above all, although the study above tries (painfully) to demonstrate the opposite, I do not see concrete proof that it is not precisely a neurological deficit which causes these addictive tendencies. The strange thing is that smoking cessation is not associated with a significant re-increase in brain volume, which would be expected if the reduction in volume was associated with tobacco-related oxidative damage.
What do you think?
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