A mood is a compound of neurotransmitters: Too much acetylcholine, not enough serotonin, and you’ve got a depression.
There are no more uses of "neurotransmitter" in the book.
Show samples from other sources
Some researchers think people who like exercise have different neurotransmitter levels in their brain.
I’d worked out how to quit for good, if I wanted to: steep taper, seven day timetable, plenty of loperamide; magnesium supplements and free form amino acids to replenish my burnt-out neurotransmitters; protein powder, electrolyte powder, melatonin (and weed) for sleep as well as various herbal tinctures and potions my fashion intern swore by, licorice root and milk thistle, nettles and hops and black cumin seed oil, valerian root and skullcap extract.