How does asthma develop? You need to know to prevent the disease and stop it in time. Read this article and find out more about the causes, types and early symptoms of the disease. Causes and early symptoms of asthma Asthma is a common name for signs of suffocation of various etiologies. The most common etiologies include: bronchial form. Chronic disease of the upper respiratory tract, in which violations of the bronchi develop, from spasm to narrowing of the lumen; heart shape. Attacks of severe shortness of breath, suffocation caused by diseases or pathologies of the heart.
