Norfenfluramine

Norfenfluramine is a big word that describes a chemical that was used in medicine. It was used to help people lose weight. The way it worked was by telling your body that it was feeling full even if it wasn't really full.

But the medicine also had some bad effects on people's bodies. It could cause problems with people's hearts and their lungs. Because of these problems, the medicine was taken off the market and is not used anymore.