Asthma results from chronic inflammation of the bronchi which contributes to making them more sensitive, we speak of bronchial hyperactivity. In contact with certain irritants, they will shrink due to several phenomena: wall edema increased secretion of mucus and muscle contraction. This bronchial obstruction, sometimes brutal, is reversible.
WHAT ARE THE SYMPTOMS OF ASTHMA?
Asthma is characterized by coughing, wheezing, and difficulty breathing. During attacks, the asthmatic feels oppression, shortness of breath and a feeling of suffocation. In some cases, there is only a chronic, exhausting cough.
HOW MANY PEOPLE HAVE ASTHMA?
In the world, it is estimated that between 4 and 7% of adults and between 9 and 14% of children suffer from asthma. The prevalence is much higher among young children and affects young boys more often than girls. In adulthood, however, it is mainly women who suffer from it. Asthma also depends on the degree of urbanization, with more prevalence in large cities.
WHAT ARE THE CAUSES OF ASTHMA?
The causes of asthma vary from one individual to another, and the wide variety of factors involved requires a personalized approach and management of the disease.
IN GENERAL, ASTHMA HAS A FAMILIAL CHARACTER, ESPECIALLY IF IT IS OF ALLERGIC ORIGIN.
The most crucial trigger in children is exposure to allergens. These include mites, molds, pollen, hair, and feathered animals. These provocative agents promote asthma attacks when they enter the airways. However, the consumption of certain foods and medications may also cause a respiratory-type allergic reaction.
It happens, especially in children, that the signs of asthma appear during physical exertion. In this case, it is still essential to continue to practice a sport, swimming for example, because it allows to make efforts more and more intense without an asthmatic reaction does not appear.