One of the benefits of the black seed is that it treats Asthma.There is a substance called nigellone in the black seed oil . At the occurrence of any asthma attack, you can take a teaspoonful of black seed powder or 15 drops from black seed oil
To prevent asthma, take a teaspoonful of black seed oil daily or rub chest before sleep.
It leads to expand the bronchi and reduces the secretion of histamine that causes allergic reactions.