In a message dated 97-09-12 12:17:16 EDT, you write: << acytelcholine, which is, for lack of a better word, adrenaline >> Adrenaline is NOT acetylcholine, but is another name for epinephrine and is classified as a sympathomimetic drug related to neosynephrine which is used as a decongestant. Adrenaline is used as a local vasoconstrictor, for allergies, and for bronchial asthma; it has been on the market for several decades. On the other hand, acetylcholine is a parasympathomimetic drug and has been used for years for certain cardiac disorders (i.e. auricular paroxismal tachycardia), inhibition of some GI systems, pupil dilation... Keep well, and don't believe everything you read... Michel Margosis