Asthma is a chronic respiratory disease characterized by recurrent attacks of wheezing, breathlessness, chest tightness, and coughing. The severity of asthma can vary widely, from mild symptoms that occur infrequently to severe attacks that can be life-threatening. Asthma affects people of all ages, but it often starts in childhood. It is estimated that over 300 million people worldwide suffer from asthma, and the prevalence is increasing, particularly in low- and middle-income countries. In this article, we will discuss the symptoms and prevention of asthma.


Symptoms of Asthma
The symptoms of asthma can vary from person to person, and can also vary in severity from one attack to the next. Some people with asthma have mild symptoms that occur infrequently, while others have more severe symptoms that occur frequently. Common symptoms of asthma include:

Wheezing: A high-pitched whistling sound that occurs when air is forced through narrowed airways.

Breathlessness: A feeling of tightness in the chest or shortness of breath, especially during physical activity or exercise.

Chest tightness: A feeling of pressure or tightness in the chest that can make it difficult to breathe.

Coughing: A dry, persistent cough that often worsens at night or early in the morning.
These symptoms can also cause different factors which include:
Allergens: Substances that cause an allergic reaction, such as pollen, dust mites, animal dander, and mold.

Irritants: Substances that irritate the airways, such as cigarette smoke, air pollution, and strong odors.

Infections: Respiratory infections, such as the common cold, flu, and sinusitis, can trigger asthma symptoms.

Exercise: Physical activity or exercise can cause of asthma problem/disease in some people.

Emotional stress: Stress and anxiety can trigger asthma symptoms in some people.
Prevention of Asthma
While asthma cannot be cured, there are steps that can be taken to prevent asthma attacks and reduce the severity of symptoms. Here are some of the ways that asthma can be prevented:
Avoiding triggers: One of the most important ways to prevent asthma attacks is to avoid the triggers that can cause them. This may involve making changes to your environment, such as using air filters, washing bedding frequently, and removing carpets and other sources of dust and allergens. It may also involve avoiding certain foods, such as shellfish and nuts, if you have a food allergy that triggers asthma symptoms.

Taking medication: There are a variety of medications that can be used to prevent asthma attacks, including inhaled corticosteroids, leukotriene modifiers, and long-acting beta-agonists. These medications work by reducing inflammation in the airways, relaxing the muscles around the airways, and preventing the release of chemicals that can trigger asthma symptoms.

Maintaining a healthy weight: Obesity has been linked to an increased risk of asthma, so maintaining a healthy weight can help reduce the risk of developing asthma or having asthma attacks.
Quitting smoking: Smoking is a major trigger for asthma attacks, so quitting smoking or avoiding exposure to secondhand smoke is important for preventing asthma attacks.

Exercise: In some people, exercise or physical activity can cause asthma symptoms, regular exercise can help improve lung function and reduce the severity of asthma symptoms. It is important to talk to your doctor before starting an exercise program if you have asthma.

Managing stress: Stress and anxiety can trigger asthma symptoms in some people, so managing stress through relaxation techniques such as deep breathing, meditation, and yoga can be helpful in preventing asthma attacks.

Conclusion
Asthma is a incurable, link with respiratory track disease and it affects many people in whole worll. By following these preventative measures, people with asthma can lead healthy and active lives while managing their symptoms.