If chemicals like oxytocin, dopamine, and serotonin are so crucial to our mental health, why can’t we monitor them the same way diabetics monitor insulin?
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A decade ago, I had a mystery illness, and my doctor threw science at the wall to see what sticks.
Turns out it was celiac disease.
But the relevant thing here was that he also had my serotonin tested, and it was wildly low, like three standard deviations low. So **that** blood test **really does exist.**
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