Most Popular Weight-Loss Drug May Cause Severe Liver and Kidney Failure, University of Rhode Island Study  
12/11/2012 7:18:42 AM

A University of Rhode Island researcher has discovered that the weight-loss drug orlistat, known by the brand names Xenical and Alli, inhibits a key enzyme that may lead to "severe toxicity of internal organs such as the liver and kidney." The inhibition is irreversible and can be caused by a low level of the drug.