As the world continues to mourn the death of Michael Jackson and the details of his final hours emerge, it appears that it may be another in a long line of celebrity drug overdoses. Jackson is reported to have taken a number of painkillers known as opioids on a regular...

The rapper Eminem recently released a new album in which he discusses the overdose that nearly killed him. At last month's Cannes Film Festival, Heath Ledger's last film was shown, reminding viewers and critics of the talent we lost when he died.

We are used to hearing about drug overdoses...