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一滴血可测癌存在误读 专家:夸大其词误导百姓

2017-05-02 05:16:07   

[专家警告]

有的发烧只喝果汁很危险

像赞果这样的“神奇果汁”之所以在某些群体流行,是因为有些人相信果汁可以治疗头疼脑热,发烧了不吃药,只喝果汁。

不过在专家看来,这种做法很危险。因为并不是所有的发烧都是由感冒引起。长征医院呼吸内科主治医生王湘芸介绍说,发烧不仅仅是由感冒引起的,一般感冒引起的不进行治疗也会在一两周内痊愈,发烧还有可能和肿瘤、癌性发热、结核、禽流感等原因相关,不及时治疗可能会进一步加重病情,延误最佳治疗时间。此外,流感病毒除了会引起发热外,还会引起肺部情况恶化。因此,每家医院都建有发热门诊,体温高于38.5℃的病人需先由发热门诊诊治,排除传染性疾病。如果有发热症状,一定要先去大医院的发热门诊治疗。

而即使是果汁能够加快感冒痊愈,在医学上也尚未有定论。冬天最常见的疾病就是感冒,普通的感冒70%-80%都是病毒引起的,剩下的基本是细菌感染引起的。病毒性感冒中大多数病毒在一周到十天左右即使不治疗、不干涉也会自己痊愈。如果是细菌感染的话,就需要用一些抗生素药物,不然会越来越严重,慢慢可能转移到下呼吸道,这是需要药物来干预的。

“认为果汁能够治疗感冒的人大多认为是果汁中含有的维生素C起作用,但其实对于维生素C是否能够治疗感冒还存在争议。反而,果汁中含有的水分确实会加快人体的新陈代谢,对感冒的治疗有一定的促进作用。”

记者在网上商城中看到,被商家吹得神乎其神的一些果汁,建议服用方式中含有“空腹、勿用开水冲服”等。王湘芸表示,又冷又酸的果汁对胃肠道的刺激很大,很多病人本来感冒时就咽喉肿痛,如果这时候喝西瓜汁、橙子汁等,对发炎的咽喉会有反作用。一般医生会建议病人喝温开水,而不是果汁。

同时,她也表示,果汁对于肿瘤的治疗功效更是天方夜谭。据了解,目前还没有人生产出治疗肿瘤的药物,也没有确切的治疗方式,无论是肺癌、乳腺癌,还是大肠癌等其他癌症。每个肿瘤都有自己的特点,最主要的“救命方法”还是早发现早治疗。

任何果汁都不能过量服用

赞果山竹果汁的介绍中主要提到了一种名为“氧杂蒽酮”的物质,具有抗氧化的作用。据了解,山竹果的“氧杂蒽酮”是从外皮分离出来的。王湘芸介绍说:“虽然国外有些基础研究说‘氧杂蒽酮’具有抗氧化的作用,能够防癌抗癌、预防肿瘤,但至目前还没有相关的临床实验可以证明,商家可能正是利用这一点,进行夸大宣传。很多物质都具有抗氧化的作用,例如维生素C,但通过口服、消化道吸收就能治病,还没有得到临床证实。”

此外,赞果果汁中文网站在回答“服药期间是否可以饮用赞果果汁”的提问时,回答道“目前尚未发现赞果果汁与药物会有冲突”。在回答另一个提问“正在使用Coumadin抗凝血剂药物时是否可服用赞果果汁”时,商家的回复是“暂未发现不可同时服用的证据,如有疑虑,可以先服用三四天,再做个血液检查看看是否需要改变剂量”。

王湘芸说:“一般情况下,在服用中药、西药等药物期间,不建议患者同时服用果汁、茶水、牛奶、豆浆等,因为其中含有的一些酸性物质,可能会影响或削弱药物的作用。此外,过量服用‘氧杂蒽酮’这个物质,还可能会造成酸中毒。”

在回答过敏相关的问题上,赞果果汁宣传——“在出现浮肿、红疹时,减量服用果汁,几天后再增加服用量”,同时表示这种情况是“好转反应”和“排毒反应”。

王湘芸说:“皮疹、腹泻等表现都是常见的过敏反应,大家在食用任何食物时如果出现类似症状,应该立即停止服用相关食品,不存在‘好转’、‘排毒’的说法。严重过敏还可能会导致脱水、休克,带来生命危险,千万不要以身犯险。”另外,王湘芸还表示,无论什么果汁,都不宜过量服用。

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