Man suffering nerve damage over a year after hospitalisation for nangs use

The mother of a man who still has nerve damage more than a year after being hospitalised for huffing nitrous oxide and is unable to work in construction anymore is calling for tougher regulation around so called nangs. A mother, who doesn't want to be named, said her son was buying large quantities of Nitrous Oxide and thought he could manage his doses, but things got serious when he started losing his balance. She spoke to Lisa Owen.