Blood injury injection phobia (BII) involves an intense fear of situations, in which an individual is directly or indirectly exposed to blood, injections or viewing injuries, along with a tendency to avoid these situations. ...

Agmatine may act as a neurotransmitter or neuromodulator. Behaviorally, agmatine exerts antidepressant-like effects. The enzyme agmatinase degrades and thereby inactivates agmatine. The gene coding for human agmatinase ...