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[BBC系列]：关于维生素的真相The Truth about Vitamins-1080P高清迅雷网盘下载
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由罗斯·坎普（Ross Kemp）主持并由英国广播公司（BBC）发行的健康医学纪录片，作为2004年英国广播公司地平线系列的一部分播出-英语旁白Health-Medical Documentary hosted by Ross Kemp and published by BBC broadcasted as part of BBC Horizon series in 2004- English narration
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每年我们在维生素补充剂上花费3亿英镑，但它们实际上对我们有好处吗？一些人认为，他们提供了预防甚至治愈某些世界上最大的杀手的希望，例如心脏病和癌症。其他人则声称，在某些情况下，大剂量服用某些维生素可能有害。那么事实是什么？[编辑]??维生素C，最受人们欢迎近40年前，维生素C是20世纪最伟大的科学家之一，曾两次获得诺贝尔奖，莱纳斯·鲍林（Linus Pauling）改变了人们对维生素的思考方式。他声称服用大量维生素C可以预防甚至治愈普通感冒，他预测如果每个人都遵循他的建议，普通感冒甚至可以根除。许多科学家认为他的理论是夸夸其谈，但公众都喜欢它，这有助于开创一个巨大的产业。但是最新的证据表明这位伟人被误认为了。维生素C一旦感冒就可以帮助您，但是对于大多数人而言，维生素C并不能阻止您首先患上感冒。即使大剂量的维生素C不能预防普通感冒，也有人声称它仍然可以提供更深远的益处。??好东西太多了吗？2004年，美国的科学家声称，人们可能会错过服用世界上最流行的抗氧化维生素补充剂之一维生素E的任何潜在好处，因为他们的身体可能无法吸收它。但是我们自己的调查表明，美国科学家的结论可能是错误的。尽管大多数安全专家认为，即使大量服用维生素C和E，也可以安全服用，但令人担忧的证据表明，另一种常见维生素维生素A，可能与骨质疏松症有关，这是一种使人衰弱的骨骼疾病。如果理论是正确的，则意味着一个人的饮食或他们每天用来改善健康的一些营养补充剂实际上可能会缓慢而无声地削弱其骨骼。Every year we spend ￡300 million on vitamin supplements, but do they actually do us any good? Some believe they offer the promise of preventing or even curing some of the world's biggest killers, such as heart disease and cancer. Others claim that taking large doses of some vitamins may in certain cases be harmful. So what are the facts? [edit] Vitamin C, the most popular of them all Nearly 40 years ago, one of the greatest scientists of the 20th century and double Nobel Prize winner, Linus Pauling, revolutionised the way people thought about vitamins. He claimed that by taking huge doses of vitamin C you could prevent or even cure the common cold.He predicted that if everybody followed his advice, the common cold could even be eradicated. Many scientists dismissed his theory as quackery, but the public loved it and it helped launch a huge industry. But the latest evidence shows the great man was mistaken. Vitamin C can help you once have got a cold, but for most people it does nothing to prevent you from catching one in the first place. Even if large doses of vitamin C do not prevent the common cold, some claim that it can still offer a more profound benefit. It is one of a group of vitamins called anti-oxidants that some believe can prevent illnesses such as cancer, Alzheimer's and heart disease.[edit] Too much of a good thing? In 2004, scientists in the United States claimed that people could be missing any of the potential benefits of taking one of the world's most popular anti-oxidant vitamin supplements, vitamin E, because their bodies might not be absorbing it. But our own investigation suggested that the American scientists' conclusion could be mistaken.While most safety experts believe that vitamins C and E can be taken safely even in quite large doses, there is worrying evidence that one form of another common vitamin, vitamin A, could be linked to osteoporosis, a debilitating bone disease. If the theory is right it means that a person's diet, or some supplements that they take every day to improve their health, could actually be slowly and silently weakening their bones.
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【技术参数】——
视频编码: XVID
比特率: 1294 kbps
Video 分辨率: 480x640 (height x width)
Video 画面比例: 3x4 (1:1.33)
音频编码: MPEG-1 Layer 3 (MP3) <0x0055>
音频比特率: 128 kbps
音频串流: 1
音频语言: English
分集时长: 49 min 7.16 s (73679 Frames)
体积: 503.16 MB
Subtitles: English【Technical Specs】——
Video Codec: XVID
Video Bitrate: 1294 kbps
Video Resolution: 480x640 (height x width)
Video Aspect Ratio: 3x4 (1:1.33)
Audio Codec: MPEG-1 Layer 3 (MP3) <0x0055>
Audio BitRate: 128 kbps
Audio Streams: 1
Audio Languages: English
RunTime Per Part: 49 min 7.16 s (73679 Frames)
Part Size: 503.16 MB
Subtitles: English
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发表于 2020-7-13 23:29:57
发表于 2020-7-19 02:23:12