Professor Dr. Gottfried Lemperle not only taught his students plastic surgery but also some general wisdom. Female teachers with double names are, according to his definition, "difficult patients". He obviously had trouble with them.

His experience must also have warned him to careful with red-haired patients. Now comes the scientific confirmation of his beliefs: Dr. Edwin B. Liem from the University of Louisville and his colleagues discovered that red-haired patients need larger amounts of the substances for anaesthetization than brown-, black- or blond-haired patients. It looks as if red-haired patients are more sensitive to pain than the other test people. Liem cannot offer any final explanation to this phenomenon. However he points out a possible connection to the "disfunction of Melanocortin 1 receptor" which is responsible for red hair. So: beware of red-heads!