The Vitamin Book pdf epub mobi txt 电子书 下载 2024


The Vitamin Book

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发表于2024-11-27

The Vitamin Book epub 下载 mobi 下载 pdf 下载 txt 电子书 下载 2024

The Vitamin Book epub 下载 mobi 下载 pdf 下载 txt 电子书 下载 2024

The Vitamin Book pdf epub mobi txt 电子书 下载 2024



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Introduction<br > The history of vitamins reads like a mystery story with a<br >scientific bent. Once, no one even knew vitamins were<br >there. People ate food for centuries without caring about<br >what was in it. Eventually, curious scientists began to<br >investigate why the deprivation of certain "unknowns"<br >made people sick. Today, after years of studies and<br >experiments, the keys to good health seem to have been<br >found. And one of those keys is vitamins.<br > Now that it is known that vitamins exist and are<br >important, everyone wants to know all about them. Articles<br >about vitamins and vitamin supplements appear regularly<br >in popular magazines, and scores of books about vitamins<br >are gobbled up by the reading public every year.<br > Such curiosity would have been satisfied long ago if all<br >the stories told were consistent and accurate. But each<br >new publication seems to promote new ideas and make<br >new claims for one particular vitamin or another--claims<br >that find an eager audience and offer hope of cures that,<br >many times, cannot be substantiated.<br > After a time and many claims later, it s hard to tell who<br >said what about a particular vitamin and whether what was<br >said was based on fact or on fantasy. Certainly, if all the<br >claims were true, our national health would be optimum,<br >but it isn t. A look at what has been said about vitamin E<br >will cast light on the confusion.<br > In the last decade or so, vitamin E has been recom-<br >mended by one source or another for the cure or<br >prevention of heart disease, acne, liver spots, muscular<br >dystrophy, sterility, sexual impotency and some fifty more<br >maladies. Yet, none of these claims is true. And if you re<br >buying and using a vitamin E supplement to cure or<br >prevent any of these conditions, you re wasting your<br >money and perhaps endangering your life.<br > Where did these claims about vitamins come from? Who<br >started them? And why have they continued to be believed<br >by a large portion of the public?<br > There s no doubt that vitamins are essential for good<br >health. Each vitamin has a function to perform in the<br >

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