[ctrl-j]

Similarly, cigarettes also have a very strong correlation with schizophrenia. Completely non-causal, but it's hard to find a non-hospitalized schizophrenic who does not smoke.

[pibaker]

It makes you want to ask what percentage of 21st century disorders can be blamed on people smoking less.

[DANmode]

What does nicotine (in isolation, not cigarette specific) do for the brain,

specifically its receptors and waste systems?