When the body cannot release it's toxins in an efficient manner, it enrolls the Lungs to help out. But already plenty busy, the Lungs become congested and heavy with the extra job. Did you know that 40% of the body's toxins are removed with deep breathing. How deep do you breathe during the day? If you find yourself holding your breath often or just not breathing deeply, you will eventually feel sluggish and fatigued. Using specific herbs for cleansing the Lungs will improve over all health.