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DucksNQuackers t1_iv6kp6j wrote

To further complicate things- does the body have the proper amount of materials, under the correct conditions, in the right location? Then, what if anything else is going on with depression in addition to the serotonin piece?

And so the rabbit hole goes. Love this stuff

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IamreallynotaNPC t1_iv6l5c7 wrote

Serotonin cannot cross the blood brain barrier either, so what is made in the body is used there, and what's made in the brain is used only there, which adds more pieces. It is good that we have some confirmation on one part though.

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