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  • Asthma - Symptoms and causes - Mayo Clinic
    Asthma is a condition in which your airways narrow and swell and may produce extra mucus This can make breathing difficult and trigger coughing, a whistling sound (wheezing) when you breathe out and shortness of breath For some people, asthma is a minor nuisance
  • Asthma: Types, Causes, Symptoms, Diagnosis Treatment
    Asthma triggers like allergies, cold, stress, smells or exercise cause your airways to tighten, swell and fill with mucus Asthma is a condition that causes long-term (chronic) inflammation in your airways The inflammation makes them react to certain triggers, like pollen, exercise or cold air
  • About Asthma | Asthma | CDC
    Basic information about what asthma is, how it is diagnosed, and how to control it
  • Asthma - What Is Asthma? | NHLBI, NIH
    Asthma is a chronic condition that inflames and narrows the airways in the lungs Learn about asthma symptoms, attacks, causes, triggers, and treatments
  • Asthma - World Health Organization (WHO)
    Inflammation and narrowing of the small airways in the lungs cause asthma symptoms, which can be any combination of cough, wheeze, shortness of breath and chest tightness Asthma affected an estimated 363 million people in 2023 (1) and caused 442 000 deaths
  • Asthma: Causes, Symptoms, and Treatment - WebMD
    Asthma, a persistent respiratory condition, narrows airways, causing breathlessness and difficulty breathing Explore symptoms, causes, diagnosis, and treatment on WebMD
  • Asthma: Symptoms, Treatment, and More - Healthline
    Asthma is an inflammatory disease affecting the airways to the lungs, making breathing difficult and physical activities challenging Common asthma symptoms include wheezing, coughing (especially
  • Asthma - Johns Hopkins Medicine
    Asthma is a long-term disease of the airways of the lung The airways become sensitive to triggers (allergens and irritants)
  • What is Asthma? - Allergy Asthma Network
    Asthma symptoms can be mild, moderate or severe, and sometimes life-threatening When symptoms suddenly worsen, it is called an asthma attack Like all chronic respiratory diseases, there is no cure for asthma But in most cases, asthma is very manageable Asthma is not a one-size-fits-all disease





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