A second study confirms that Acomplia, an experimental diet pill, can help people lose weight and keep it off for up to two years. Dr. Julius Gaardin, a cardiologist at Wayne State, called it and similar ones on the drug \"truly landmark studies in the field of obesity.\" He said \"the safety profile was quite good\" and obesity is such a serious problem that there ought to be higher tolerability of side effects than for drugs for other conditions.