A student has called for Nitrous Oxide to be banned to anyone without a licence.
The gas, also known as nos, can have lifelong damaging effects as the canisters starve your blood of oxygen and reach your brain within seconds if inhaled in high volumes.
Heavy use of the psychoactive gas can lead to nerve damage, vitamin B12 deficiency and skipped heartbeats. For those with an underlying heart condition or abnormal blood pressure, it can lead to more devastating effects such as heart attacks.