Is there a breathing exercise that helps weight loss?

Ujjal breathing. A specific technique taught by artofliving.Org called ujjal breathing (joyous breathing) helps release endorphins and helps.
Not really, but ... There is not a breathing exercise that burns calories to help lose weight. Breathing is quite effortless, and uses few calories. However, some people eat a lot when they are anxious, depressed, or otherwise stressed. If such a person uses breathing exercises for relaxation, meditation, yoga, etc., he may feel better and eat less . . . And lose weight after all!