Animal dewormer and a drug used to treat scabies are being sold and promoted as unproven cancer treatments, a BBC investigation has found. Following a tip off, an undercover journalist was able to buy fenbendazole and ivermectin from a stairlift salesman in south Wales and also found them for sale on Amazon. Macmillan Cancer Support said it was concerned by the findings and that a growing number of people were asking about the medicines, despite