The clever computer that tells 21 stone teenage dieter: Youve had enough | Mail Online

http://www.dailymail.co.uk/pages/live/articles/health/thehealthnews.html?in_article_id=489752&in_page_id=1797

16-year-old Laurence Willshire lost four stone thanks to a computerised scale that ensures his diet stays on track. The scale, known as a mandometer, does not actually weigh him but measure his meals then monitors how much he is putting away.