Stress and anxiety levels can be drastically reduced by Yoga practice. A stronger sense of self is built with regular practice, and over time this increased confidence and well-being can reduce or nullify feelings of anxiety. Nadi Shodhana, which is a breathing technique, can help alleviate the symptoms of an anxiety attack. You may also become more able to observe the factors that lead to an anxiety attack, and deal with them before the symptoms escalate. There can be significant improvement within months.