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The serotonine in your body isn't able to cross the blood-brain-barrier. So it doesn't affect your mood the way brain-serotonine does. It does affect blood pre
by cel1ne 11y ago
The serotonine in your body isn't able to cross the blood-brain-barrier. So it doesn't affect your mood the way brain-serotonine does.
It does affect blood pressure and a few other things, so you get indirect effects.
- smac8 11y agoThat assumes that consciousness only correlates to brain activity, which is unsubstantiated
- firethief 11y agoNo, GP's statement assumes only that serotonin in the bloodstream outside the brain has different effects from serotonin in the brain, so let's put that lid back on that kettle of fish.