1.0Buteyko-cursus.nlhttps://buteyko-cursus.nl/en/lisasuurlandhttps://buteyko-cursus.nl/en/author/lisasuurland/rich600338<blockquote class="wp-embedded-content" data-secret="cmxWdSUFSj"><a href="https://buteyko-cursus.nl/en/testimonial/mariette/">Mariette</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://buteyko-cursus.nl/en/testimonial/mariette/embed/#?secret=cmxWdSUFSj" width="600" height="338" title="“Mariette” — Buteyko-cursus.nl" data-secret="cmxWdSUFSj" 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://buteyko-cursus.nl/wp-includes/js/wp-embed.min.js </script> I took the course in December 2018 because of a feeling of tightness while breathing and poor sleeping due to stress. Everything is explained well and quietly. Practicing at home turns out to be more difficult. Good and nice guidance. Lisa’s really makes time for you. Things are a lot better right now. Breathing is better controlled. And when it’s not, I know how to calm my breathing. Whether you should take the course really depends on the person you are and the personal situation. I had expected that it [...]