From the BBC: "An Asian elephant that became addicted to heroin after being fed bananas spiked with the drug is to return home after undergoing a detox programme."

The four-year-old animal, called Xiguang, received methadone injections for a year at five times the human dosage, state media said.

It was illegally captured by traders in 2005 in south-west China.

When police arrested the traders and freed the elephant, it was found to be suffering from withdrawal symptoms.

[read the whole story]

At least it seems to have a happy ending, or at least a hopeful one. Poor guy.