Well, the idea that you can just pop a pill to improve your mem­o­ry and atten­tion lost some ground today. The Asso­ci­at­ed Press released an arti­cle on DHEA, a steroid pre­cur­sor to testos­terone and estro­gen used to improve ath­let­ic per­for­mance, increase sex dri­ve, and reduce fat as well as fight dia­betes and heart dis­ease. The…