The late broadcaster Sir Paul Holmes turned to marijuana before his death, his widow has revealed.
Lady Deborah Holmes said her husband was not a drug user but "in the final weeks it was the one thing that could give him peace and comfort".
Sir Paul died age 62 in February 2013 after battling heart problems and the return of prostate cancer.
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His wife told Herald columnist Brian Rudman that he was allergic to morphine and the alternative concoction of drugs "sent him off to la la land".
She said it wasn't just the pain, but the anxiety that was relieved by the marijuana.
"It relaxed him," she said.
Lady Deborah said he smoked the drug and the couple were unaware of cannabis oil, which has been used by terminally ill patients such as Helen Kelly, former president of the Council of Trade Unions, who has cancer.
Given the relief it provided Sir Paul, she supported its use on medical grounds.
Sir Paul's adopted daughter Millie Holmes had a long and public battle with methamphetamine. He led the fight against the drug, by championing the Stellar Trust.
It was revealed last week that former top cricketer Martin Crowe was self-medicating with liquid marijuana in the final months of his life, according to his close friend, former English international Mike Selvey.
In a tribute piece written for the Guardian, Selvey said the former New Zealand cricket captain was sleeping 15 hours a day and using cannabis oil rather than undergoing more chemotherapy.
Selvey wrote that Crowe had told him this when the pair caught up in Auckland during last year's Cricket World Cup.
Crowe died on Thursday last week, aged 53, of double-hit lymphoma. His funeral is on Friday.