生物与医学2021sciencedirect.com
桑拿作为一种延长健康寿命的生活方式实践
Sauna use as a lifestyle practice to extend healthspan
入门 · 约 45 分钟读完前置知识：基础生理学概念、有氧运动常识
导读
这篇综述探讨了桑拿作为一种生活方式对延长健康寿命的作用，梳理了桑拿使用与心血管健康、寿命等益处之间的关联证据，并讨论其可能的生理机制。文章指出桑拿引起的许多生理反应与中高强度有氧运动相似，可能为无法运动的人群提供替代方案。
HN 关注点：桑拿的健康功效是否被夸大，讨论焦点在于桑拿的益处是否只是运动的替代品，以及相关研究是否处于炒作周期顶峰。
HN 评论精选
这几条评论里：支持 1 质疑 1 补充 1 亲历 1
支持用「身体应激有益健康」的框架解释桑拿为何可能有效
据我所知，Veritasium 关于衰老的视频提到，有证据表明各种对身体造成压力的活动有助于延缓甚至逆转衰老。他们提到了禁食、有氧运动和低温暴露，所以桑拿以类似方式起作用对我来说是合理的。
mastax查看英文原文
From what I remember of Veritasium's video on ageing (https://youtu.be/QRt7LjqJ45k) there is evidence to support the idea that various activities which are stressful for the body are good at slowing or even reversing ageing. They mentioned fasting, aerobic exercise, and exposure to cold temperatures, so it would make sense to me that saunas would work similarly.
亲历亲历者分享四年每日桑拿的适应过程和购买经验
我每天蒸桑拿，大约四年前开始的。刚买桑拿房时我一次只能待 2-3 分钟就得休息，现在能舒服地待 15 分钟，最后 5-7 分钟比较煎熬。我通常在 175-195°F 下蒸 20-22 分钟。我喜欢它，不知道是否有重大健康效果，但当下令人焕发活力、之后很放松。我买的是传统式桑拿房（从 almostheaven.com 购买，配送体验很好），没选红外桑拿因为不熟悉。买了 4 人小房型但配了大功率炉子升温更快，不后悔但也不特别推荐。
nyjah查看英文原文
I sauna every single day. I started about 4 years ago. When I got my sauna I could only go for 2-3 minutes at time without having to take a break. Now I am comfortable for 15 minutes and struggling for last 5-7 minutes. I usually go 20-22 minutes at 175-195F. I enjoy it, I have no idea if there are major health effects. Its always rejuvenating in the moment and relaxing after. I bought an old school one. I ordered from https://almostheaven.com/ and it was a great delivery experience so I recommend them, but there are plenty of other sauna companies out there. And the infrared is just not something I am familiar with so I stayed away. I purchased the small 4 person sauna, but got the bigger heater to get it hotter quicker. I don't regret it, but I don't recommend it either.
质疑提醒桑拿益处多可由运动替代，警惕炒作周期
桑拿很有意思，但需要保持清醒认识：许多桑拿论文的理论是桑拿可能模拟运动的部分（而非全部）益处——论文本身也写道，桑拿的许多生理反应与中高强度有氧运动非常相似，被提议作为因慢性病或身体限制无法运动者的替代方案。如果你没有桑拿房但想要健康益处，中等强度有氧运动可能带来更多好处。连人们常挂在桑拿上的热休克蛋白，在运动中也会表达。当然坐着蒸桑拿比跑步轻松，但桑拿目前正处于炒作周期顶峰（因 Joe Rogan 播客等渠道的推广），让人想起几年前白藜芦醇被媒体夸大成神奇补品的情形。运动仍是王者。两者兼有当然更好，但如果时间或资源有限，别觉得被落下：运动比桑拿便宜得多。
PragmaticPulp查看英文原文
Saunas are very interesting, but I think it's important to keep it in perspective: Many of the sauna papers theorize that the sauna might mimic some, though not all, of the positive effects of exercise: > Interestingly, many of the physiological responses to sauna use (described in detail below) are remarkably similar to those experienced during moderate- to vigorous-intensity aerobic exercise, and sauna use has been proposed as an alternative to aerobic exercise for people who are unable to engage in physical activity due to chronic disease or physical limitations If you don't have a sauna but you're looking for positive health benefits, some moderate intensity aerobic exercise could provide more health benefits anyway. Even heat shock proteins, which many people have come to associate with sauna use, are expressed during exercise. Of course, it's easier to sit in a sauna than to jog or run, but we should keep it in perspective: Saunas are currently at the peak of their hype cycle due to popularization on certain outlets like the Joe Rogan podcast. It's reminiscent of a few years ago when Reservatrol was all over podcasts and the news as a wonder supplement after popular media exaggerated the research. Exercise is still king. EDIT: Of course, both can be better than either one alone, but if you're limited on time and/or resources then don't feel left out: Exercise is much, much cheaper than a sauna.
补充芬兰人对桑拿文化的幽默回应：桑拿不需要理由
我们问一位芬兰同事关于烟熏桑拿（用木头加热，部分烟雾留在室内）的细节和原因。回答：我们不需要理由来蒸桑拿。
ng55QPSK查看英文原文
We asked a finish colleague about smoke sauna (you heat with wood and a part of the smoke is lead inside), about details and reason. Answer: We don't need a reason for sauna.
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