Miki Ryosuke says he lost two stone in seven weeks on the Long Breath Diet Says he found it by mistake while doing breathing exercises for his back pain It involves spending two minutes a day concentrating on taking long breaths before exhaling aggressively By Emma Innes PUBLISHED: 07:14 EST, 31 July 2013 | UPDATED: 10:06 EST, 31 July 2013 If you are struggling to stick to a diet of carrot sticks and lettuce leaves, news of the latest weight loss technique to be sweeping Japan could be music to your ears.