Lobelia is a vague nerve stimulant of 10th cranial nerve stimulant. It can help stimulate a parasympathetic or relaxation response transmission and decrease adrenaline levels. It may help reduce the fight or flight response that many people run on. As a result, Lobelia can help any condition aggravated or cause by adrenaline stress. Lobelia may help anxiety, panic attacks, thinking too much while trying to sleep, and focus.