Methods are disclosed for prophylactically and chronically preventing symptomatic depression, neuronal cell injury and cell death in systemic and neurological conditions, populations with cerebrovascular risk factors, and invasive vascular procedures, employing a glycine-site antagonist at the NMDA complex e. The improved flexibility for the baseball glove includes an expandable material which extends over the carpometacarpal joint of the thumb and longitudinally towards a web section of the glove and then transversely across the metacarpalphangeal joints of the fingers. Alternatively, a planar shield of relatively high permeability is affixed directly to a surface of semiconductor die containing an integrated circuit structure with magnetoresistive memory cells.