Every year, people die from taking nitrous oxide. You never hear about that when people are selling it in nightclubs or at festivals, most of the users do not realise it's illegal. It's almost the acceptable face of drug abuse. When inhaled, nitrous oxide dissolves in the bloodstream, depleting the blood of oxygen and reducing its flow to the brain and other vital organs. Excessive use can be fatal. However it will increase the speed of you car!