The historic discovery that the catecholamine neurotransmitters of the sympathetic nervous system, norepinephrine and epinephrine, are inactivated through their reuptake by presynaptic nerve terminals provided new insights into neurotransmitter action and paved the way for the development of modern antidepressant drugs.

Hiccups are the sudden involuntary contractions of the diaphragm and intercostal muscles. They are generally benign and self-limited, however, in some cases they are chronic and debilitating. There are approximately 4000 admissions for hiccups each year in the United States. The hiccup reflex arc is composed of three components: (1) an afferent limb including the phrenic, vagus, and sympathetic...

NO and CO are small gaseous molecules that can be synthesized de novo in neuronal tissue and can diffuse readily through the plasma membrane. NOS inhibitors prevent the induction of LTP in the hippocampus, and studies with NOS knock-out mice and viral overexpression of mutated NOS indicate that the endothelial form of the enzyme is probably responsible for NO production in these neurons. Inhibi...

Chronic stress, even at a young age, has become major health concern with the harmful effects on cognition, mood, and well-being largely underestimated. Mindfulness interventions are well-recognized as effective strategies in stress management. However, we know less about impact of mindfulness physiological indicators such hormones/neurotransmitters. This review study aims to provide representa...