Hertfordshire teenager Ben Witham is one of six youngsters with Cystic Fibrosis to spearhead a new campaign designed to counter the stigma of the confition.
Ben, 14, said: "I hope that I can help other teenagers my age to deal with their CF in a positive way and not get miserable about it."
More details on the condition and the campaign are available on the Cystic Fibrosis Trust website.
More top news
Windy with heavy rain during the evening. Mainly dry thereafter.
Hundreds have queued in Norwich to meet a woman who's become famous for broadcasting videos on the internet about make-up and clothes
Police have released pictures of five men convicted for their part in raids on shops and banks across the region