Nightly News | February 22, 2012
>>> a panel of experts for the fda recommended a new diet drug called qnexa should be approved. the recommendation comes despite concerns about heart and birth defect risks. the panel said the drug's effectiveness outweighs any potential risks. the fda will now decide whether to give full approval later this year. if they do, qnexa will be the first new diet drug on the market since 1999 .