Offer a pendant representing the molecular aspect of your choice of 4 important neurotransmitters of our bodies.
Dopamine controls adrenalin and makes us happy, for example, when we eat chocolate. Acetylcholine is important at many levels: from our autonomous muscle activities to the learning capacities of our brain. Serotonin is implicated in our sleep cycles and its decrease is associated with depression but good life habits can keep your levels up. Adrenaline activates our systems for fast and amplified reflexes.