1. 在媒体广告的诱导下，越来越多的人开始每天服用复合维生素补充片，深信维生素片会使他们更健康。
Induced by advertisements on the media, more and more people have begun to take multivitamin supplements every day, convinced that the pills would make them healthier.
2. 确实，维生素与矿物质都是身体所需的物质，维生素或矿物质缺乏或不足时，会给健康带来有害的后果。但是，消费者过量服用维生素引起一些医学专家的关注。
It is true that vitamins and minerals are substances needed by the body and that lack of or deficiency in vitamins or minerals will have devastating health effects, but some medical experts are concerned that consumers are overdosing their vitamin consumption.
3.科学家曾认为一些维生素能帮助预防像癌症和心脏病等一些疾病，但是严格的研究表明没有这类作用。
Scientists once thought some vitamins could help prevent ailments like cancer and heart disease, but rigorous studies found no such effects.
4. 相反，一些维生素补充片的建议剂量与可能导致不良后果的剂量之间的差异是不大的，人们很容易达到足以高的剂量，结果实际上增加疾病的风险。
On the contrary, for some supplements the difference between the recommended dose and a dose that could lead to bad outcomes is not large, and it is easy for people to reach doses high enough to actually increase the risk of disease.
5. 多项新近的研究表明，血液中维生素A水平高的人有更大的骨质疏松风险; 维生素E补充片会增加心脏病发作和卒中的风险。
Several recent large studies indicate that people with high levels of vitamin A in their blood have a greater risk for osteoporosis and that vitamin E supplements can increase the risk of heart attacks and strokes.
6. 这些研究发现告诫人们：为了防病而服用复合维生素补充片，其结果可能适得其反。
These findings warn people that taking vitamin supplements to prevent disease may end up showing just the opposite.
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