Weight-loss Patch

サロンパスのように貼るだけで体重が減らせる "weight-loss patch" が米国で販売されている事を聞いた事がありますが、そのこう薬("patch")の効果的な使用法を医者に尋ねると：

I was talking to my doctor about a weight-loss patch I had seen advertised. Supposedly you stick it on and the kilos melt away. "Does it work?”I asked. “Sure,” he said. “If you put it over your mouth.”