{"id":49,"date":"2026-11-06T09:06:23","date_gmt":"2026-11-06T09:06:23","guid":{"rendered":"https:\/\/healthcare.hibisports.com\/?p=49"},"modified":"2026-11-06T09:06:23","modified_gmt":"2026-11-06T09:06:23","slug":"why-jumping-into-cold-water-during-a-heat-wave-can-put-you-at-risk-of-drowning","status":"publish","type":"post","link":"https:\/\/healthcare.hibisports.com\/?p=49","title":{"rendered":"Why Jumping Into Cold Water During a Heat Wave Can Put You at Risk of Drowning"},"content":{"rendered":"<div id=\"health-sc-page_1-0\" class=\"comp health-sc-page mntl-sc-page mntl-block structured-content article-content expert-content right-rail__offset lock-journey\" data-sc-sticky-offset=\"60\" data-sc-ad-label-height=\"24\" data-sc-ad-track-spacing=\"100\" data-sc-min-track-height=\"250\" data-sc-max-track-height=\"600\" data-sc-breakpoint=\"50em\" data-sc-load-immediate=\"4\" data-sc-content-positions=\"[400, 1400, 1400, 1700, 2000, 2200, 2400, 2600, 2800]\" data-bind-scroll-on-start=\"true\">\n<div id=\"health-sc-block-callout--key-takeaway_1-0\" class=\"comp health-sc-block-callout--key-takeaway health-sc-block-callout-base mntl-sc-block-callout mntl-block theme-key-takeaway theme-key-takeaway\" data-tracking-id=\"mntl-sc-block-callout\" data-tracking-container=\"true\">\n<h3 id=\"mntl-sc-block-callout-heading_1-0\" class=\"comp mntl-sc-block-callout-heading mntl-text-block\">Key Takeaways<\/h3>\n<div id=\"mntl-sc-block-callout-body_1-0\" class=\"comp mntl-sc-block-callout-body mntl-text-block expert-content\">\n<ul>\n<li>Jumping into cold water during a heat wave can trigger a &#8220;cold shock response,&#8221; causing rapid breathing, gasping, or heart problems, which increases the risk of drowning.<\/li>\n<li>To stay safe, enter cold water gradually by dipping your feet or splashing water on your neck or wrists to avoid sudden cold shock.<\/li>\n<li>Staying hydrated is essential during a heat wave, as dehydration can amplify the risk of cold shock by affecting your cardiovascular system.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p id=\"mntl-sc-block_2-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> During the latest heat wave in France, more than 70 people died from drowning as many sought relief from extreme heat.\n<\/p>\n<div id=\"mntl-sc-block_3-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p id=\"mntl-sc-block_4-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> Jumping into a lake or river might seem like the perfect way to cool off during a heat wave. But even when the air feels hot, the water can be cold enough to trigger a dangerous physical reaction that increases the risk of drowning.\n<\/p>\n<div id=\"mntl-sc-block_5-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\">\n<div id=\"mm-ads-native_1-0\" class=\"comp mm-ads-native \" style=\"--native-ad-height: auto\" data-right-rail-index=\"1\">\n<div id=\"mm-ads-native__adunit_1-0\" class=\"comp mm-ads-native__adunit mm-ads-gpt-dynamic-adunit mm-ads-gpt-adunit scads-to-load gpt native js-immediate-ad js-immediate-ad-loaded\">\n<div id=\"native\" class=\"wrapper\" data-type=\"native\" data-pos=\"native\" data-priority=\"4\" data-sizes=\"[[1, 3],&quot;fluid&quot;]\" data-rtb=\"false\" data-wait-for-third-party=\"false\" data-targeting=\"{}\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><span class=\"heading-toc\" id=\"toc-why-jumping-into-cold-water-can-be-risky\"><\/span><\/p>\n<h2 id=\"mntl-sc-block_6-0\" class=\"comp mntl-sc-block health-sc-block-heading mntl-sc-block-heading\"> <span class=\"mntl-sc-block-heading__text text-title-300\"> Why Jumping Into Cold Water Can Be Risky <\/span> <\/h2>\n<p id=\"mntl-sc-block_7-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> Lakes and rivers often stay cold during a heatwave because air warms faster than water.<span data-cite=\"1\" class=\"inline-citation-node\"><\/span> During the spring and early summer, water temperatures may remain low even after several days of hot weather.\n<\/p>\n<div id=\"mntl-sc-block_8-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p id=\"mntl-sc-block_9-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> \u201cLet\u2019s say I go to the lake on Memorial Day and Labor Day. Maybe the air temperature is the same, but the water temperature is much warmer at Labor Day because it spent the last three months warming up,\u201d <a href=\"https:\/\/news.iu.edu\/live\/profiles\/2274-zachary-schlader\" data-component=\"link\" data-source=\"inlineLink\" data-type=\"externalLink\" data-ordinal=\"1\" target=\"_blank\" rel=\"noopener\">Zachary Schlader, PhD<\/a>, an associate professor of kinesiology at Indiana University&nbsp;School of Public Health \u2013 Bloomington, told Verywell.\n<\/p>\n<div id=\"mntl-sc-block_10-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p id=\"mntl-sc-block_11-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> That temperature difference can have serious consequences. Suddenly entering cold water can trigger the body\u2019s<strong> <\/strong>\u201ccold shock response,\u201d causing an involuntary gasp, rapid breathing, or even heart problems. The water doesn\u2019t have to feel frigid\u2014water as warm as 77 degrees Fahrenheit can trigger this response.<span data-cite=\"2\" class=\"inline-citation-node\"><\/span>\n<\/p>\n<div id=\"mntl-sc-block_12-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p id=\"mntl-sc-block_13-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> A gasp can cause people to inhale water right away.\n<\/p>\n<div id=\"mntl-sc-block_14-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p id=\"mntl-sc-block_15-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> \u201cWe\u2019ve all been there when you walk into what you expect to be a hot shower, and it\u2019s cold\u2014you jump in, and you gasp. That\u2019s the first thing that tends to happen, and that reaction has been associated with drowning in extremely cold water,\u201d Schlader said.\n<\/p>\n<div id=\"mntl-sc-block_16-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p id=\"mntl-sc-block_17-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> It is possible to drown within minutes of plunging into cold water. The danger isn\u2019t simply being in cold water, but it\u2019s the body\u2019s reaction to the sudden temperature change.<span data-cite=\"3\" class=\"inline-citation-node\"><\/span>\n<\/p>\n<div id=\"mntl-sc-block_18-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p id=\"mntl-sc-block_19-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> While you could experience cold shock in a swimming pool, these are typically not as dangerous because most pools are kept above 77 F.\n<\/p>\n<div id=\"mntl-sc-block_20-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<div id=\"health-sc-block-spotlight--mid-circ_1-0\" class=\"comp health-sc-block-spotlight--mid-circ mntl-sc-block-spotlight--mid-circ mntl-block theme-mid-circ theme-mid-circ\" data-use-proximity=\"true\">\n<h2 id=\"midcirc__heading_1-0\" class=\"comp midcirc__heading mntl-text-block\">Related Stories<\/h2>\n<div id=\"midcirc__card-list_1-0\" class=\"comp midcirc__card-list mntl-block\"><a href=\"https:\/\/www.verywellhealth.com\/tick-bite-8694151\" rel=\"nocaes\" data-card-index=\"0\" data-click-tracked=\"false\" id=\"midcirc-card_1-0\" class=\"midcirc-card mntl-midcirc-card mntl-text-link \" data-tracking-container=\"true\"><\/p>\n<div id=\"midcirc-card__title_1-0\" class=\"comp midcirc-card__title mntl-text-block\">Protect Yourself from Tick Bites This Summer With This Essential Information<\/div>\n<div id=\"midcirc-card__image-wrapper_1-0\" class=\"comp midcirc-card__image-wrapper mntl-block\">\n<div class=\"midcirc-card__image mntl-image card__media universal-image__container\">\n<div class=\"img-placeholder\" style=\"padding-bottom:66.6%;\">\n<img data-src=\"https:\/\/www.verywellhealth.com\/thmb\/6Jqz-1BKYKrsYsvrhRr1_kw8oC4=\/300x200\/filters:no_upscale():max_bytes(150000):strip_icc():format(webp)\/GettyImages-1770753546-c7ba29fad77743268956ee276f6ca4ed.jpg\" width=\"300\" height=\"200\" alt=\"Tick crawling on a man's finger\" class=\" universal-image__image lazyloadwait\"><br \/>\n<noscript><br \/>\n<img\nsrc=\"https:\/\/www.verywellhealth.com\/thmb\/6Jqz-1BKYKrsYsvrhRr1_kw8oC4=\/300x200\/filters:no_upscale():max_bytes(150000):strip_icc():format(webp)\/GettyImages-1770753546-c7ba29fad77743268956ee276f6ca4ed.jpg\"\nwidth=\"300\"\nheight=\"200\"\nclass=\"img--noscript universal-image__image\"\nalt=\"Tick crawling on a man&#39;s finger\"\n\/><br \/>\n<\/noscript>\n<\/div>\n<\/div>\n<\/div>\n<p><\/a><br \/>\n<a href=\"https:\/\/www.verywellhealth.com\/broken-ribs-symptoms-1298895\" rel=\"nocaes\" data-card-index=\"1\" data-click-tracked=\"false\" id=\"midcirc-card_2-0\" class=\"midcirc-card mntl-midcirc-card mntl-text-link \" data-tracking-container=\"true\"><\/p>\n<div id=\"midcirc-card__title_2-0\" class=\"comp midcirc-card__title mntl-text-block\">How Do You Know if You Have a Broken Rib?<\/div>\n<div id=\"midcirc-card__image-wrapper_2-0\" class=\"comp midcirc-card__image-wrapper mntl-block\">\n<div class=\"midcirc-card__image mntl-image card__media universal-image__container\">\n<div class=\"img-placeholder\" style=\"padding-bottom:66.6%;\">\n<img data-src=\"https:\/\/www.verywellhealth.com\/thmb\/PXzPgIpVaKdMXtoIsriWRur7du4=\/300x200\/filters:no_upscale():max_bytes(150000):strip_icc():format(webp)\/man-s-hands-on-his-chest-in-white-shirt-with-red-spot-as-suffering-on-chest-pain--male-suffer-from-heart-attack-lung-problems-myocarditis--heart-burn-pneumonia-or-lung-abscess--pulmonary-embolism-day-1137765727-5b54c2c1048b4014908134a1440f77c6.jpg\" width=\"300\" height=\"200\" alt=\"Man's hands on his chest in white shirt with red spot as suffering on chest pain. Male suffer from heart attack,Lung Problems,Myocarditis, heart burn,Pneumonia or lung abscess, pulmonary embolism day\" class=\" universal-image__image lazyloadwait\"><br \/>\n<noscript><br \/>\n<img\nsrc=\"https:\/\/www.verywellhealth.com\/thmb\/PXzPgIpVaKdMXtoIsriWRur7du4=\/300x200\/filters:no_upscale():max_bytes(150000):strip_icc():format(webp)\/man-s-hands-on-his-chest-in-white-shirt-with-red-spot-as-suffering-on-chest-pain--male-suffer-from-heart-attack-lung-problems-myocarditis--heart-burn-pneumonia-or-lung-abscess--pulmonary-embolism-day-1137765727-5b54c2c1048b4014908134a1440f77c6.jpg\"\nwidth=\"300\"\nheight=\"200\"\nclass=\"img--noscript universal-image__image\"\nalt=\"Man&#39;s hands on his chest in white shirt with red spot as suffering on chest pain. Male suffer from heart attack,Lung Problems,Myocarditis, heart burn,Pneumonia or lung abscess, pulmonary embolism day\"\n\/><br \/>\n<\/noscript>\n<\/div>\n<\/div>\n<\/div>\n<p><\/a><\/div>\n<\/div>\n<div id=\"mntl-sc-block_22-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p><span class=\"heading-toc\" id=\"toc-dehydration-may-increase-the-risk-further\"><\/span><\/p>\n<h2 id=\"mntl-sc-block_23-0\" class=\"comp mntl-sc-block health-sc-block-heading mntl-sc-block-heading\"> <span class=\"mntl-sc-block-heading__text text-title-300\"> Dehydration May Increase the Risk Further <\/span> <\/h2>\n<p id=\"mntl-sc-block_24-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> During a heatwave, it is especially important to stay hydrated. Drink plenty of water and limit alcohol and sugary or highly caffeinated drinks, which can contribute to <a class=\"recommendation-inline-link\" href=\"https:\/\/www.verywellhealth.com\/dehydration-symptoms-8662174\" data-component=\"link\" data-source=\"inlineLink\" data-type=\"internalLink\" data-ordinal=\"1\" rel=\"noopener noreferrer\">dehydration<\/a>.<span data-cite=\"4\" class=\"inline-citation-node\"><\/span>\n<\/p>\n<div id=\"mntl-sc-block_25-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p id=\"mntl-sc-block_26-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> When you\u2019re dehydrated, your blood volume drops and your <a class=\"recommendation-inline-link-ai\" href=\"https:\/\/www.verywellhealth.com\/dangerous-heart-rate-5215509\" data-component=\"link\" data-source=\"inlineLink\" data-type=\"internalLink\" data-ordinal=\"1\" rel=\"noopener noreferrer\">heart rate<\/a> has to work harder to maintain blood pressure.<span data-cite=\"5\" class=\"inline-citation-node\"><\/span>\n<\/p>\n<div id=\"mntl-sc-block_27-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p id=\"mntl-sc-block_28-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> Since cold shock mainly affects your cardiovascular and central nervous systems, being dehydrated when you jump into the water could potentially amplify the risk, said <a href=\"https:\/\/case.edu\/news\/media-relations\/ryan-marino\" data-component=\"link\" data-source=\"inlineLink\" data-type=\"externalLink\" data-ordinal=\"1\" target=\"_blank\" rel=\"noopener\">Ryan Marino, MD<\/a>, an emergency medicine physician and an associate professor of emergency medicine and psychiatry at Case Western Reserve University School of Medicine.\n<\/p>\n<div id=\"mntl-sc-block_29-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p id=\"mntl-sc-block_30-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> People with circulation or heart problems should also avoid jumping into the water for that reason.<span data-cite=\"9\" class=\"inline-citation-node\"><\/span>\n<\/p>\n<div id=\"mntl-sc-block_31-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p id=\"mntl-sc-block_32-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> \u201cYounger people, presumably with stronger cardiovascular support, should be less predisposed to that, but as we can see, it\u2019s very easy for it to happen. It can happen very suddenly, and it\u2019s completely an involuntary response from the body,\u201d Marino said.\n<\/p>\n<div id=\"mntl-sc-block_33-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p><span class=\"heading-toc\" id=\"toc-how-to-enjoy-a-cold-swim-safely-in-extreme-heat\"><\/span><\/p>\n<h2 id=\"mntl-sc-block_34-0\" class=\"comp mntl-sc-block health-sc-block-heading mntl-sc-block-heading\"> <span class=\"mntl-sc-block-heading__text text-title-300\"> How to Enjoy a Cold Swim Safely in Extreme Heat <\/span> <\/h2>\n<p id=\"mntl-sc-block_35-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> Extreme heat is the leading weather-related cause of death in the United States, so finding ways to stay cool is essential during a heat wave. You can still cool off at a beach or a lake, but the safest way to do this is to enter the water gradually by dipping your feet or splashing the water on your neck or wrists first.<span data-cite=\"8\" class=\"inline-citation-node\"><\/span><span data-cite=\"7\" class=\"inline-citation-node\"><\/span>\n<\/p>\n<div id=\"mntl-sc-block_36-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p id=\"mntl-sc-block_37-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> Your body has the immediate cold shock reaction when it\u2019s dunked underwater, not when you slowly wade out into the ocean because you have time to sense the cold and control your breathing, Schlader said.\n<\/p>\n<div id=\"mntl-sc-block_38-0\" class=\"comp mntl-sc-block mntl-sc-block-adslot mntl-block\"><\/div>\n<p id=\"mntl-sc-block_39-0\" class=\"comp mntl-sc-block mntl-sc-block-html\"> \u201cIf you\u2019re really hot, getting in the water may be better for you, because it\u2019s going to cool you very rapidly,\u201d he added. \u201cJust know this could happen, so control your breathing and try to keep your head above the water.\u201d\n<\/p>\n<\/div>\n<div id=\"post-article_1-0\" class=\"comp post-article mntl-block\">\n<div id=\"breadcrumbs--chips_1-0\" class=\"comp breadcrumbs--chips mntl-universal-breadcrumbs--chips mntl-block\">\n<div id=\"mntl-breadcrumbs__read-more_1-0\" class=\"comp mntl-breadcrumbs__read-more mntl-text-block text-title-100\">Read More:<\/div>\n<ul id=\"mntl-universal-breadcrumbs_1-0\" class=\"comp mntl-universal-breadcrumbs mntl-block breadcrumbs\" data-tracking-container=\"true\">\n<li id=\"mntl-breadcrumbs__item_1-0\" class=\"comp mntl-breadcrumbs__item mntl-block text-utility-200\"><a href=\"https:\/\/www.verywellhealth.com\/prevention-and-treatment-4158390\" rel=\"nocaes\" class=\"mntl-text-link mntl-breadcrumbs__link\" id=\"mntl-text-link_5-0\" data-tracking-container=\"true\"><span class=\"link__wrapper\">Prevention &amp; Treatment<\/span><\/a><\/li>\n<li id=\"mntl-breadcrumbs__item_2-0\" class=\"comp mntl-breadcrumbs__item mntl-block text-utility-200\"><a href=\"https:\/\/www.verywellhealth.com\/first-aid-4014723\" rel=\"nocaes\" class=\"mntl-text-link mntl-breadcrumbs__link\" id=\"mntl-text-link_6-0\" data-tracking-container=\"true\"><span class=\"link__wrapper\">First Aid<\/span><\/a><\/li>\n<\/ul>\n<\/div>\n<div id=\"sources_1-0\" class=\"comp sources mntl-block\">\n<div id=\"mntl-article-sources_1-0\" class=\"comp mntl-article-sources mntl-expandable-block\" data-scroll-offset=\"70\">\n<div class=\"loc toggle-content\">\n<div id=\"mntl-article-sources__wrapper_1-0\" class=\"comp mntl-article-sources__wrapper mntl-block\" data-click-tracked=\"true\" tabindex=\"0\"><span id=\"mntl-article-sources__heading_1-0\" class=\"comp mntl-article-sources__heading mntl-text-block\">8 Sources<\/span><br \/>\n<svg class=\"icon show-icon \">\n<use xmlns_xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink_href=\"#show-icon\" href=\"#show-icon\"><\/use>\n<\/svg><br \/>\n<svg class=\"icon hide-icon \">\n<use xmlns_xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink_href=\"#hide-icon\" href=\"#hide-icon\"><\/use>\n<\/svg><\/div>\n<\/div>\n<div class=\"loc expandable-content\">\n<div id=\"source-guidelines_1-0\" class=\"comp source-guidelines mntl-text-block\">Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our <a href=\"\/verywell-editorial-process-4777042\">editorial process<\/a> to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy.<\/div>\n<div id=\"mntl-article-sources__citation-sources_1-0\" class=\"comp mntl-article-sources__citation-sources mntl-citation-sources mntl-sources\" data-tracking-container=\"true\">\n<ol class=\"mntl-sources__content\">\n<li class=\"mntl-sources__source\" id=\"citation-1\">\n<p>Virginia Institute of Marine Science. <a href=\"https:\/\/masweb.vims.edu\/bridge\/datatip.cfm?Bridge_Location=archive0909.html\" data-component=\"link\" data-source=\"inlineLink\" data-type=\"externalLink\" data-ordinal=\"1\" target=\"_blank\" rel=\"noopener\">Heat capacity<\/a>.<\/p>\n<\/li>\n<li class=\"mntl-sources__source\" id=\"citation-2\">\n<p>National Weather Service. <a href=\"https:\/\/www.weather.gov\/safety\/coldwater\" data-component=\"link\" data-source=\"inlineLink\" data-type=\"externalLink\" data-ordinal=\"1\" target=\"_blank\" rel=\"noopener\">Cold water hazards and safety<\/a>.<\/p>\n<\/li>\n<li class=\"mntl-sources__source\" id=\"citation-3\">\n<p>National Center for Cold Water Safety. <a href=\"https:\/\/www.coldwatersafety.org\/the-danger\" data-component=\"link\" data-source=\"inlineLink\" data-type=\"externalLink\" data-ordinal=\"1\" target=\"_blank\" rel=\"noopener\">Why cold water is dangerous<\/a>.<\/p>\n<\/li>\n<li class=\"mntl-sources__source\" id=\"citation-4\">\n<p>Centers for Disease Control and Prevention. <a href=\"https:\/\/www.cdc.gov\/heat-health\/about\/index.html\" data-component=\"link\" data-source=\"inlineLink\" data-type=\"externalLink\" data-ordinal=\"1\" target=\"_blank\" rel=\"noopener\">About heat and your health<\/a>.<\/p>\n<\/li>\n<li class=\"mntl-sources__source\" id=\"citation-5\">\n<p>Young HA, Cousins A, Johnston S, Fletcher JM, Benton D. <a href=\"https:\/\/doi.org\/10.1038\/s41598-019-52775-5\" data-component=\"link\" data-source=\"inlineLink\" data-type=\"externalLink\" data-ordinal=\"1\" target=\"_blank\" rel=\"noopener\">Autonomic adaptations mediate the effect of hydration on brain functioning and mood: evidence from two randomized controlled trials<\/a>. <em>Sci Rep<\/em>. 2019;9(1):16412. doi:10.1038\/s41598-019-52775-5<\/p>\n<\/li>\n<li class=\"mntl-sources__source\" id=\"citation-9\">\n<p>Harvard Health Publishing. <a href=\"https:\/\/www.health.harvard.edu\/heart-health\/cold-plunges-healthy-or-harmful-for-your-heart\" data-component=\"link\" data-source=\"inlineLink\" data-type=\"externalLink\" data-ordinal=\"1\" target=\"_blank\" rel=\"noopener\">Cold plunges: healthy or harmful for your heart<\/a><a href=\"https:\/\/www.health.harvard.edu\/heart-health\/cold-plunges-healthy-or-harmful-for-your-heart\" data-component=\"link\" data-source=\"inlineLink\" data-type=\"externalLink\" data-ordinal=\"2\" target=\"_blank\" rel=\"noopener\">?<\/a>.<\/p>\n<\/li>\n<li class=\"mntl-sources__source\" id=\"citation-8\">\n<p>American Red Cross. <a href=\"https:\/\/www.redcross.org\/take-a-class\/resources\/learn-first-aid\/heat-stroke\" data-component=\"link\" data-source=\"inlineLink\" data-type=\"externalLink\" data-ordinal=\"1\" rel=\"nofollow noopener\" target=\"_blank\">Exertional hypothermia\/heat stroke<\/a>.<\/p>\n<\/li>\n<li class=\"mntl-sources__source\" id=\"citation-7\">\n<p>Hackensack Meridian Health. <a href=\"https:\/\/www.hackensackmeridianhealth.org\/en\/healthier-you\/2025\/06\/19\/preventing-heat-stroke-hydration-and-cooling-techniques-for-hot-days\" data-component=\"link\" data-source=\"inlineLink\" data-type=\"externalLink\" data-ordinal=\"1\" target=\"_blank\" rel=\"noopener\">Preventing heat stroke: hydration and cooling techniques for hot days<\/a>.<\/p>\n<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"author-bio_1-0\" class=\"comp author-bio\">\n<div class=\"loc author-bio__image\">\n<img data-src=\"https:\/\/www.verywellhealth.com\/thmb\/hEZrL73FFGkN98J34JAaeHp5A2Q=\/144x144\/filters:no_upscale():max_bytes(150000):strip_icc():format(webp)\/StephanieBrownnewheadshot-e5ca9ba2a404491384e9300a7871f190.jpg\" width=\"144\" height=\"144\" alt=\"Stephanie Brown\" class=\" author-bio__image mntl-image universal-image__image lazyloadwait\" data-expand=\"300\"><br \/>\n<noscript><br \/>\n<img\nsrc=\"https:\/\/www.verywellhealth.com\/thmb\/hEZrL73FFGkN98J34JAaeHp5A2Q=\/144x144\/filters:no_upscale():max_bytes(150000):strip_icc():format(webp)\/StephanieBrownnewheadshot-e5ca9ba2a404491384e9300a7871f190.jpg\"\nwidth=\"144\"\nheight=\"144\"\nclass=\"img--noscript author-bio__image mntl-image universal-image__image\"\nalt=\"Stephanie Brown\"\n\/><br \/>\n<\/noscript>\n<\/div>\n<p class=\"author-bio__bio-text\">\n<span class=\"author-bio__bio-title\">By <a href=\"https:\/\/www.verywellhealth.com\/stephanie-brown-5197949\">Stephanie Brown<\/a><\/span><br \/>\n<br \/>\nBrown is a nutrition writer who received her Didactic Program in Dietetics certification from the University of Tennessee at Knoxville. Previously, she worked as a nutrition educator and culinary instructor in New York City.\n<\/p>\n<\/div>\n<div id=\"trust-ribbon_1-0\" class=\"comp trust-ribbon trust-ribbon-expandable-block\">\n<div class=\"content-wrapper\">\n<div class=\"loc static-content\">\n<div id=\"trust-ribbon__editorial_1-0\" class=\"comp trust-ribbon__editorial trust-ribbon-item mntl-block\"><svg class=\"icon trust-ribbon-item__icon-editorial \">\n<use xmlns_xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink_href=\"#trust-ribbon-item__icon-editorial\" href=\"#trust-ribbon-item__icon-editorial\"><\/use>\n<\/svg><br \/>\n<a href=\"\/verywell-editorial-process-4777042\" rel=\"nocaes\" class=\"trust-ribbon-item__text mntl-text-link \" id=\"trust-ribbon-item__text_1-0\" data-tracking-container=\"true\"><span class=\"link__wrapper\">See Our Editorial Process<\/span><\/a><\/div>\n<div id=\"trust-ribbon__review_1-0\" class=\"comp trust-ribbon__review trust-ribbon-item mntl-block\"><svg class=\"icon reviewer-icon trust-ribbon-item__icon-review\">\n<use xmlns_xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink_href=\"#reviewer-icon\" href=\"#reviewer-icon\"><\/use>\n<\/svg><br \/>\n<a href=\"\/meet-our-medical-expert-board-11762003\" rel=\"nocaes\" class=\"trust-ribbon-item__text mntl-text-link \" id=\"trust-ribbon-item__text_2-0\" data-tracking-container=\"true\"><span class=\"link__wrapper\">Meet Our Medical Expert Board<\/span><\/a><\/div>\n<\/div>\n<div class=\"loc toggle-content\">\n<div id=\"trust-ribbon__feedback_1-0\" class=\"comp trust-ribbon__feedback trust-ribbon-item mntl-block\"><svg class=\"icon trust-ribbon-item__icon-feedback \">\n<use xmlns_xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink_href=\"#trust-ribbon-item__icon-feedback\" href=\"#trust-ribbon-item__icon-feedback\"><\/use>\n<\/svg><br \/>\n<button id=\"trust-ribbon-item__text_3-0\" class=\"comp trust-ribbon-item__text mntl-text-block\">Share Feedback<\/button><\/div>\n<\/div><\/div>\n<div class=\"loc expandable-content\">\n<div id=\"trust-ribbon__feedback-block_1-0\" class=\"comp trust-ribbon__feedback-block article-feedback mntl-article-feedback\">\n<div class=\"article-feedback__rating-section js-rating-section is-hidden\">\n<div class=\"article-feedback__heading\">Was this page helpful?<\/div>\n<\/div>\n<div class=\"article-feedback__success-section js-success-section is-hidden\">\n<div class=\"article-feedback__heading\">Thanks for your feedback!<\/div>\n<\/div>\n<div class=\"article-feedback__feedback-section js-feedback-section\">\n<div class=\"article-feedback__heading\">What is your feedback?<\/div>\n<p><button id=\"helpful-button_1-0\" class=\"comp helpful-button mntl-button article-feedback__feedback-button\"> Helpful<br \/>\n<\/button><br \/>\n<button id=\"report-error-button_1-0\" class=\"comp report-error-button mntl-button article-feedback__feedback-button\"> Report an Error<br \/>\n<\/button><br \/>\n<button id=\"other-button_1-0\" class=\"comp other-button mntl-button article-feedback__feedback-button\"> Other<br \/>\n<\/button><br \/>\n<svg class=\"icon icon-x close-button\">\n<use xmlns_xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink_href=\"#icon-x\" href=\"#icon-x\"><\/use>\n<\/svg> <\/p>\n<form action=\"\/ugc-feedback\" method=\"post\" class=\"article-feedback__feedback-form js-feedback-form\">\n<textarea class=\"article-feedback__feedback-text js-feedback-text\" placeholder=\"Tell us more...\" required=\"required\" maxlength=\"1500\"><\/textarea><br \/>\n<button id=\"article-feedback__submit-button_1-0\" class=\"comp article-feedback__submit-button mntl-button\"> Submit<br \/>\n<\/button> <input type=\"hidden\" name=\"doc-id\" value=\"12008818\" class=\"js-doc-id\"><br \/>\n<\/form>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways Jumping into cold water during a heat wave can trigger a &#8220;cold shock response,&#8221; causing rapid breathing, gasping, or heart problems, which increases the risk of drowning. To stay safe, enter cold water gradually by dipping your feet&#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-49","post","type-post","status-publish","format-standard","hentry","category-chua-phan-loai"],"_links":{"self":[{"href":"https:\/\/healthcare.hibisports.com\/index.php?rest_route=\/wp\/v2\/posts\/49","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/healthcare.hibisports.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/healthcare.hibisports.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/healthcare.hibisports.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/healthcare.hibisports.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=49"}],"version-history":[{"count":0,"href":"https:\/\/healthcare.hibisports.com\/index.php?rest_route=\/wp\/v2\/posts\/49\/revisions"}],"wp:attachment":[{"href":"https:\/\/healthcare.hibisports.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=49"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/healthcare.hibisports.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=49"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/healthcare.hibisports.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=49"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}