Stuff.co.nz | Cannabis oil given to Alex Renton before Government approval | Stuff.co.nz Stuff.co.nz The cannabinoid oil being used to treat Nelson teenager Alex Renton. It was hoped CBD would reduce the seizures and allow them to bring him out of the coma. Rose Renton, who supports the use of natural remedies, told 3D she felt the oil was her son's ... Sick teen's mother used cannabis oil weeks before approval | TVShows | 3 News |