शैडोइंग अभ्यास: Can saunas make you live longer? - Max G. Levy - YouTube के साथ अंग्रेजी बोलना सीखें

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In the early 1980s, a group of scientists set out to conduct a long-term study on heart health.

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In the early 1980s, a group of scientists set out to conduct a long-term study on heart health.

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They focused on Finnish men, recruiting over 2,000 participants and monitoring everything from their behaviors, diets, lifestyle choices, and fitness over the course of 20 years.

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As they dug into the data, researchers were stunned to find that one habit— something they hadn’t expected— was linked to better health:

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frequent sauna bathing.

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Yet this likely didn’t surprise the Finnish participants.

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Finland is a country with 9,000 years of sauna traditions.

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And they’re not alone:

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Roman balneae, Japanese onsen, and Indigenous American sweat lodges are just a few examples of how cultures across the globe have long considered exposure to extreme temperatures therapeutic.

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But today, scientists are only just beginning to unravel how and why this may be the case.

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So, what exactly is happening in your body when you feel the heat?

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To understand how extreme heat affects the body, let’s explore what happens when you enter a sauna.

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Traditional Finnish sauna temperatures can top out at 90°C, or just below the boiling point of water, and are typically dry, at about 20% humidity.

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This blast of dry heat ignites your thermoregulatory response.

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Specialized temperature-detecting proteins in the skin change shape, triggering sensory neurons to send this high heat message to the brain.

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Blood vessels widen, and your heart rate ticks up to circulate blood faster.

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To shield your vital organs from intolerable temperatures, your skin absorbs heat, creeping up to 41°C, and dumps this heat from your body's surface.

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You sweat. If this response reminds you of exercise, that’s no coincidence.

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Physiologists who study sauna use have likened the body's heat response to a moderate workout.

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And while time in the sauna isn't a replacement for exercise, regular exposure to controlled heat may stress the heart and, over time, strengthen the cardiovascular system in similar ways.

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Heat may also complement exercise and help aid recovery.

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In strenuous workouts, muscle fibers acquire microtears.

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This summons immune cells that help repair and strengthen the tissue.

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But this process also releases waste, which can cause even more inflammation and pain.

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Inflammation is a natural phase of healing, but too much inflammation can paradoxically slow recovery.

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This is where sauna use comes in— physiologists suspect that increased blood flow can help pump in the biological ingredients needed to rebuild and help pump out waste.

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This give and take between heat and inflammation may even lead to greater health benefits.

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As we age, cells naturally accumulate more and more inflammatory damage, which is thought to contribute to different health problems.

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And there is some early evidence that frequent sauna use could help regulate this inflammation.

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There’s one more way regular heat exposure may impact health.

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Molecules called “heat shock proteins” safeguard your cells by repairing damaged DNA and monitoring when important enzymes aren’t functioning properly.

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And studies show regular sauna users tend to have higher levels of these proteins.

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So, back to the Finnish findings.

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Scientists found that men who used saunas four to seven times per week were healthier by several measures, including a reduced risk of high blood pressure, healthier cholesterol, and even a lower risk of dying in general.

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Despite these promising results, the world of heat offers more questions than conclusive answers.

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First, the Finnish study was unable to fully rule out how other lifestyle factors may have influenced the health differences they detected.

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And even if the results do hold, this study covers just one demographic, from one region, over one period of time.

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Scientists are still working to understand the full extent of sauna’s benefits, as well as its limits.

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After all, we already know that heat can affect people differently.

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For example, an intense thermoregulatory response can be dangerous for pregnant people or those with certain health conditions.

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So, while it’s not yet possible to declare a true cause and effect between saunas and health, many enthusiasts are optimistic that with further investigation, these beneficial findings will handle the heat.

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- प्रतीक्षा मोड: +3s या +5s चुनें — प्रत्येक वाक्य के बाद वीडियो स्वचालित रूप से रुकता है ताकि आप दोहरा सकें।
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शैडोइंग अभ्यास: Can saunas make you live longer? - Max G. Levy - YouTube के साथ अंग्रेजी बोलना सीखें

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