But Deng Jou-fang, director of the Poison Prevention Information Center at Taipei Veterans General Hospital, points out that in 1993 Belgian researchers discovered that a Chinese herbal weight loss prescription containing aristolochic acid could lead to kidney failure, and as a result, 11 nations, including Britain, France, America and Canada, banned its use one after another.
然而榮總毒藥物防治諮詢中心主任鄧昭芳指出，一九九三年比利時研究人員發現使用含馬兜鈴酸的減肥中藥可能導致腎病變，因此英、法、美、加拿大等十一國都相繼禁用此藥。