The social environment interacts with brain chemistry. Manipulating a monkey into a lower position in the dominance hierarchy made his serotonin drop, while chemically enhancing serotonin elevated the rank of former subordinates.
The blue light emanating from our cell phones, our tablets and our laptops is playing havoc on our brain chemicals: our serotonin, our melatonin. It's screwing up our sleep patterns, our happiness, our appetites, our carbohydrate cravings.
It's what Ecstasy does to serotonin levels that concerns us most right now.
They say that a few minutes each day of petting your dog can raise your serotonin levels.
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