Stories by Solomon H. Snyder

This previously elusive and obscure chemical is proving to be of vital physiological significance. Nitric oxide may be the first of a novel class of neurotransmitters

Chemical messengers mediate long-range hormonal communication and short-range communication between nerve cells. The two systems differ in directness, but some messenger molecules are common to both

Morphine and its derivatives seem to exert their effects by binding to specific receptor sites on cells in the brain and the spinal cord. Morphinelike substances within the body may also act at those sites