“Could a single trip on a piece of African rootbark help a junkie kick the habit? That was the claim in the 1960s, and now iboga is back in the spotlight. But is it a miracle cure? Daniel Pinchbeck decided to give it a go. And life, he says, will never be the same again… ” —Guardian.UK

Related: Peru seeks tribal cure for addiction:

Peru is home to the coca leaf, the main ingredient of cocaine.

In the last few years it has also become home to a new way of confronting drug addiction: by returning to Shamanism and traditional Amazonian medicines. —BBC

Among others, they are talking about the indigenous hallucinogen ayahuasca.

Also: Cannabis can help MS sufferers:

“Claims that cannabis can relieve the symptoms of multiple sclerosis have been reinforced by results from the world’s largest ever trial of the medicinal effects of the drug – but only just.

The main improvements seen were in subjective measures of symptoms, i.e. those reported by the patients, rather than in those measured using standardised tests.” —New Scientist Only subjective symptoms?? What could be more important?