Asthma is a chronic or acute inflammation of tissue that causes the lungs and airways to swell. When asthma attacks occur, the inside walls of the airways become inflamed, causing them to become sensitive and making breathing hard. Symptoms include wheezing, chest tightness, coughing, and breathing problems.
Essential oils are highly concentrated plant oils that come from the aromatic compounds of a plant. They are extracted from the flowers, leaves, roots and other parts of certain plants.