Discarded nitrous oxide canisters and balloons used for inhaling the gas litter the campsite at last year's Glastonbury Festival, in Britain. Photos: Corbis; Red Door News Hong Kong Discarded nitrous oxide canisters and balloons used for inhaling the gas litter the campsite at last year's Glastonbury Festival, in Britain. Photos: Corbis; Red Door News Hong Kong
Discarded nitrous oxide canisters and balloons used for inhaling the gas litter the campsite at last year's Glastonbury Festival, in Britain. Photos: Corbis; Red Door News Hong Kong

Legal highs: the craze for laughing gas

The hilarious, dizzy - and, for now, legal - high you get from inhaling Taiwanese-made nitrous oxide is taking the European party scene by storm. But just how dangerous is it, asks Simon Parry

Discarded nitrous oxide canisters and balloons used for inhaling the gas litter the campsite at last year's Glastonbury Festival, in Britain. Photos: Corbis; Red Door News Hong Kong Discarded nitrous oxide canisters and balloons used for inhaling the gas litter the campsite at last year's Glastonbury Festival, in Britain. Photos: Corbis; Red Door News Hong Kong
Discarded nitrous oxide canisters and balloons used for inhaling the gas litter the campsite at last year's Glastonbury Festival, in Britain. Photos: Corbis; Red Door News Hong Kong
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