1.0Clinica Premiumhttps://www.clinicapremium.com/en/Clinica Premiumhttps://www.clinicapremium.com/en/author/nrozas/rich600338<blockquote class="wp-embedded-content" data-secret="nIUE9RIJ9H"><a href="https://www.clinicapremium.com/en/faq-items/what-is-asthma/">What is asthma?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.clinicapremium.com/en/faq-items/what-is-asthma/embed/#?secret=nIUE9RIJ9H" width="600" height="338" title="“What is asthma?” — Clinica Premium" data-secret="nIUE9RIJ9H" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.clinicapremium.com/wp-includes/js/wp-embed.min.js </script> Asthma is a lung disease characterized by an inflammation of the bronchi. This inflammation is usually variable and of reversible course, producing an obstruction to the passage of air thus triggering the typical symptoms of a cough, wheezing or whistling, shortness of breath or dyspnea and pressure in the chest.