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减掉的脂肪都到哪儿去了

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你一天到晚的嚷嚷着要减肥,那么当你真的瘦下来了!你有没有想过,减掉的脂肪都到哪儿去了呢?

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This may seem like a silly question, but it's one we've all pondered at least a few times along our weight-loss journeys. Where does the fat go when we lose weight? Do the fat cells burst and flush out? Do we expel it during bathroom breaks? Do little fairies fly in at night and swipe away all that unwanted jiggle? Let's get into the science, dispel some myths, and answer some (fat-)burning questions.

看起来这个问题好像比较蠢,但减肥过程中,我们可能都不止一次的想过这个问题。减掉的脂肪去哪儿了?难道是脂肪细胞爆裂被冲走了?是不是上厕所的时候排掉了?是不是晚上小仙女飞来带走了所有你不想要的肥肉?让我们探秘科学、揭开神话,回答一些有关脂肪燃烧的问题吧


First of all, there is a difference between weight loss and fat loss. Weight loss is an overall decrease in the number on the scale. This could be from water loss, muscle loss, fat loss, or even getting a drastic haircut (and no, we're not referencing your bangs in high school). Fat loss, however, is the amount of body fat we lose, and this is done when the body burns off more calories than it consumes in a given day.

首先,体重减轻和脂肪减少是有差别的。体重减轻是指称上的数字总体下降。这可能是因为水分流失、肌肉减少、脂肪减少或是剪了很多头发导致的(不,我们指的可不是你读高中时留的刘海)。然而,脂肪减少指的是减掉的身体脂肪数量,当身体摄入的卡路里量少于身体燃烧的量时,脂肪就会减少。


According to certified personal trainer Heather Neff, "To lose fat, you need to rev up your metabolism with plenty of exercise and good nutrition." But you can't live without fat. It's as indispensable to your body as muscle, blood, and bone!

持证私人教练希瑟·内夫说,"想要减少脂肪,你得大量运动、吸收营养、加快新陈代谢。"但没有脂肪你是活不下去的。脂肪和肌肉、血液、骨头一样,都是身体不可或缺的部分。



Sounds crazy, right? The truth is that fat doesn't make you fat, as many have been led to believe; "it helps to burn fat and aids in so many body processes," Neff said. Fat is the delivery system for hormones. It is essential for brain function, muscle growth, and so much more. Now before you jump for joy on the way to the nearest Dunkin' Donuts, I have the unenviable task of making it clear that we're talking about healthy fats that can be found in foods such as avocados, eggs, lean meats, organic dairy, nuts, seeds, bananas, and others.

听起来很疯狂,对吗?事实是,脂肪不会让你变胖,虽然很多人都这么以为,"它能够帮助燃烧脂肪,促进人体活动,"内夫说。脂肪是激素的输送系统,对于大脑功能、肌肉增长等等都至关重要。但在你兴冲冲的去最近的一家唐恩都乐买甜甜圈前,我需要完成一项艰难的任务,也就是说,我们说的脂肪是指牛油果、鸡蛋、瘦肉、有机奶制品、坚果、种子、香蕉等食物中的健康脂肪。


OK, so you can't exactly cut fat out of your system, but where does fat go when you lose it? The answer to that may surprise you. "The correct answer is that most of the mass is breathed out as carbon dioxide. It goes into thin air," said physicist Ruben Meerman, MD. So the fat doesn't leave your body in the form of urine or feces (well, not completely).

所以,你无需从身体系统内减少脂肪量,但减掉的脂肪去哪儿了呢?答案可能会让你大吃一惊。"正确的答案就是:大多数的脂肪都以二氧化碳的形式被我们吐气吐出去,进入空气中了。"物理学家鲁本·梅尔曼医学博士说。所以,脂肪并不是以尿液或噗噗(不完全是)的形式离开了你的身体。


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