The BBC is making a documentary on legal highs and wants to hear from users. What’s good, what’s bad – worst and best moments? Whether you’ve had the night of your life on them, or a terrible experience – we want to hear from you. Police and MPs are having their say – so what do you think...

The BBC is making a documentary on legal highs and wants to hear from users. What’s good, what’s bad – worst and best moments? Whether you’ve had the night of your life on them, or a terrible experience – we want to hear from you. Police and MPs are having their say – so what do you think...