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第六百六十章 开源又节流(1 / 2)

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坏血病!

不可谓不是大名鼎鼎。

这是一种由维生素C缺乏而引起的疾病,所以又称维生素C缺乏症。不过维生素C缺乏不仅能引起坏血病,还与炎症、动脉硬化、肿瘤等多种疾患有关。

它在历史上曾是严重威胁人类健康的一种疾病。

过去几百年间曾在海员、探险家及军队中广为流行,特别是在远航海员中尤为严重,故有“水手的恐惧”和“海上凶神”之称。

古代典籍中对坏血病较为明确的描述,是在中世纪十字军东征的记录中。

有的学者追溯至公元前希般克拉底时代,另据称,在原始社会人类的遗体上也曾发现坏血病的痕迹。

在十五世纪末,坏血病也是许多航海员长期卧床的原因,直至1753年,苏格兰海军军医詹姆斯·林德发现此病与饮食有关,并发现饮用橘子汁、柠檬汁後,可治疗和预防坏血病,至此才有了坏血病的预防与治疗。

这种病其实非常好预防,只要经常吃蔬菜,水果就可以了,平时甚至都不用刻意去补充。

可一旦得了不去治疗,就会导致铁缺乏症,从贫血到皮肤出血,牙齿松动脱落,人格改变,最后导致死亡。

“所以,坏血病是只有只吃肉,不吃蔬菜的远航船员才会得的毛病。但还有一个现象,近现代一直困扰这科学家。”

“那就是同样是只吃肉,不吃蔬菜的因纽特人,怎么没有坏血病?”

天赋异地?

还是另有他法?

观众的好奇心被勾起来了,不少水友忍不住坐直了身体,聆听毕方的讲解。

毕方又割开一条鲑鱼,将其鱼腹取下,满足的塞入口中,美美的品尝一番,之后咽下,最后盘腿坐在地上,悠哉悠哉的开始讲述原因。

“刚刚我说了,低温同样可以杀死寄生虫,而且只要零下二十度,事实上,这只是北极的正常气温而已,虽然水里相对温度高很多,但也不受寄生虫喜欢,不过这当然不是绝对的,低温杀虫远没有高温来得高效无误,只是能极大的降低中招几率。”

“而且能在北极生存的寄生虫,对人体其实大多数都是无害的,再加上北极几乎无污染,三者叠加,哪怕是淡水鱼,也是可以生吃的,没必要胆战心惊。”

“至于为什么是必要,其实就是吃生肉,同样可以补充维生素C,呃!”

毕方打了个噎嗝,太久没吃肉,一下子吃太猛了。

拍了拍胸膛,又喝了口水,毕方缓了缓道:“1906年至1918年期间,哈佛大学人类学家,同时也是探险家的VihjalmurStefansson,额,就是维赫贾尔穆尔。”

为了方便大家记忆,毕方将冰岛语翻译成了英文。

“维赫贾尔穆尔曾先后3次探访加拿小北部地区,在那里和当地因纽特人一起过冬,同吃同住。

“由于地理环境限制,因纽特人大多数时候只能吃到肉类和动物脂肪,比如鸟类、驯鹿、海豹、海象、鲸鱼等等,这些食物为他们提供了一年至少10个月的所有营养,到了夏季,他们才有可能吃一些植物类食物,比如浆果、根茎等等。”

“然而,和因纽特人一样,维赫贾尔穆尔没有因为如此缺少新鲜蔬果的饮食方式,而患上坏血病。”

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