The differences between “Breath of Fire” and “Kapalabhati” are subtle, but extremely important. Kapalabhati is more of a purification practice( shatkarma) and is used for its detoxifying and cleansing of the nadis benefits. The emphasis is on quick, strong and active exhalations through the nostrils, using sudden contractions of the abdomen. Inspirations are passive and natural, without a conscious effort to inhale. Although the pace can be fast, the emphasis is more on the strength and control