"However, we are concerned that the current regulations allow some patients to inappropriately access weight-loss injections without proper consultation or examination of historical medical records."

A post-mortem examination carried out after her body was found on 20 September 2004 failed to establish how she died.

Police said Mr Gordon's death was still being treated as unexplained, pending a post-mortem examination which will take place in due course.

Post-mortem examinations are due to take place later this week.

A post-mortem examination carried out on 29 October was inconclusive and further tests are awaited.