BACKGROUND: The psychoactive stimulant 3, 4-methylenedioxymethamphetamine (MDMA), also known as "ecstasy," is widely used in nonmedical settings. Little is known about its cardiovascular effects. OBJECTIVE: To evaluate the acute cardiovascular effects of MDMA by using transthoracic two-dimensional and Doppler echocardiography. DESIGN: Four-session, ascending-dose, double-blind,...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTQuantification of LSD and N-demethyl-LSD in urine by gas chromatography/resonance electron capture ionization mass spectrometryHeng Keang. Lim, David. Andrenyak, Paula. Francom, Rodger L. Foltz, and Reese T. JonesCite this: Anal. Chem. 1988, 60, 14, 1420–1425Publication Date (Print):July 15, 1988Publication History Published online1 May 2002Published...
Twenty-one paid volunteers who were chronic users of LSD were interviewed and participated in a series of cognitive and perceptual tests and EEG studies. Among other observations derived from both interviews and testing, the authors noted that the group shared a set of magical-mystical beliefs and profound nonaggressive attitudes, as well as a unique sensitivity to certain types of sensory...