1.0The Texas Heart Institute®https://www.texasheart.orgKeri Sprunghttps://www.texasheart.org/author/keri/rich600338<blockquote class="wp-embedded-content" data-secret="AgS65xBctU"><a href="https://www.texasheart.org/heart-health/heart-information-center/topics/hot-weather-exercise-tips/">Stay Heart-Smart in the Heat: Summer Tips to Prevent Heat-Related Illness</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.texasheart.org/heart-health/heart-information-center/topics/hot-weather-exercise-tips/embed/#?secret=AgS65xBctU" width="600" height="338" title="“Stay Heart-Smart in the Heat: Summer Tips to Prevent Heat-Related Illness” — The Texas Heart Institute®" data-secret="AgS65xBctU" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! 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); /* ]]> */ </script> https://www.texasheart.org/wp-content/uploads/2025/06/AdobeStock_126056722.jpeg20481367Heat exhaustion develops in people who are exposed to high temperatures and who do not drink enough fluids. People who are especially at risk for heat exhaustion are the elderly, children, people with high blood pressure, and those who work or exercise in hot environments