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能吃还不胖 “大胃王”是天赋异禀吗

2017-07-10 10:46:57   

“但是也不是所有人都能成为大胃王的,就像运动员一样,有人通过后天锻炼可以取得好的成绩,而有些人就是不行。这就跟吹气球似的,那些胃壁肌肉比较厚的人,具备成为大胃王的先决条件,如果胃壁本来就薄,那就不太可能成为大胃王。”刘正新说。

吃这么多为啥还这么瘦?吸收功能不好外加节食锻炼

在一些竞吃比赛中,我们看到的优秀大胃王,往往体型还都偏瘦。吃那么多还不胖,这又是为什么呢?

“胖瘦与营养吸收代谢有关,吃进去那么多但还是很瘦,可能是吸收功能不好,不过没有人对大胃王们做吸收功能的检测,看他们吸收功能是不是比正常人低,如果吸收水平与正常人相同,吃那么多食物,没几天就应该会胖起来。”刘正新说。

胃的主要功能是研磨、混匀食物,将它们加工成松软的乳糜状,以便下一步的消化吸收。但大胃王们胃口虽大,胃部功能却并不比普通人强悍。在他们身上,胃部本该有的蠕动变得非常微弱。正常人的胃时刻蠕动着将食物推向十二指肠,而大胃王们的胃就像瘫痪了一样,几乎不怎么动作。由于胃部的运动功能缺失,大胃王们囫囵吞下的食物在肠道中很难被完全消化吸收。日本大胃王木下佑哗就曾经爆料,他每次吃完大餐上厕所时都会“拉很多”,这可能是大胃王们保持苗条身材的一大原因。

此外,在镜头之外,大胃王们为保持体型还付出了巨大的努力。没有人想变胖,大胃王们尤其不想:肥胖的体型会导致腹壁变厚、腹压增高、内脏脂肪增多,这些因素将会对他们的竞吃成绩带来毁灭性的影响。因此,许多大胃王只在镜头前吃东西。除了控制饮食外,锻炼健身也不可少。有大胃王曾表示,他除了吃饭睡觉就是锻炼,每天要在健身房里呆8个小时。

风光背后付出哪些代价?易导致急性胃破裂危及生命

大胃王虽然很风光,又能吃美食,又能拿大奖。但风光的背后也充满了艰辛和风险。

对此,刘正新表示,为了成为大胃王,很多人会在进食大量食物后进行催吐,长此以往会对身体造成伤害。因为胃酸的酸度很高,腐蚀性比较强,催吐后胃酸会对食管造成损伤,还会导致胃黏膜撕裂。当呕吐形成一种条件反射,以后只要一吃饭就会呕吐,不吐出来不舒服,这样还会罹患神经性厌食症。

“胃是有弹性的,跟气球一样,如果是后天训练出来的大胃王,总是频繁地将胃撑大,而且每次都撑到极限,胃部的弹性就会变差、变弱,寿命就会缩短。老是过度急性胃扩张,胃的回缩力会变小,如果继续吃,还容易导致急性胃破裂,有生命危险。”刘正新说,“胃被撑大以后,会挤压其他脏器,如肝脏、小肠等,腹腔的血液供应是有限的,胃变大以后,很多血液都会流向胃,这样对肝脏、小肠血液的供应则会减少,从而会引发一些疾病。”由于长期挑战身体极限,人的生理、激素水平都会受到影响,可能会更早患某方面的疾病,影响寿命。

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