yea.....it effects that and also acetylcholine, which improves thinking or the way thought goes through, i've read and watched things on tv people saying that they can think better when they smoke.....(of course not healthier, but with the e-cigg it's in a better place)
https://en.wikipedia.org/wiki/Nicotinic_acetylcholine_receptor
it also depends on the intake, like friday night everyone goes to the bars and pulls out ciggies and beer, thats more of recreational way of smoking, but smoking just by itself seems to improve mood for short time, mainly because the reward center in the brain looks forward to the next nicotine intake, but when your smoking a vape you get continuaous nicotine intake, with ciggerettes usally people just smoke 1 ciggertte and wait an hour until the next, or of chain smokers.....
but really i think e-cigg is a better, more continuous way to help some stimulation in the brain. Smoking is old, doctors smoked, in their own sessions.....back like 80 years ago........it's been documeneted, but you know society grows and gets smarter.....
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