聽力文章:過量補充維他命的危險

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The Dangers Of Vitamin Supplements
    Do you take your vitamins everyday? Be careful. Just as vitamin deficiency can make you sick, so can vitamin toxicity. Indeed, vitamins can be very dangerous if you take them in high quantities.
    What “A” And “D” Have In Common
    Though vitamins A and D are the most likely to make you sick if you take too much of them, they aren’t the only vitamins that can be dangerous. All vitamins have the potential to be toxic if you ingest too much of them.
    Part of the reason why A and D put you at higher risk than Vitamin C and others has to do with the way vitamins are dissolved. Vitamin C dissolves in water. Thus, if you take excess Vitamin C, your body can flush it out through urine. Vitamins A and D, however, dissolve in oils and melted fat.