"Please don't try this at home—we are fully trained idiots."

So went the disclaimer back in October 2010 as British pepper aficionado Leo Scott and his friend Lok Chi uploaded a video of themselves eating a new variety, the Naga Viper, developed by fellow grower Gerald Fowler. The warning was warranted as the two very experienced chiliheads sweated, writhed in pain and briefly lost the ability to speak after each chewing and swallowing one of the bright-red capsicums.

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