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  3. Protecting the heart, warding off cancer, easing the pain of arthritis -- the list of Vitamin E’s possible benefits keeps gettin

Protecting the heart, warding off cancer, easing the pain of arthritis -- the list of Vitamin E’s possible benefits keeps gettin

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问题     Protecting the heart, warding off cancer, easing the pain of arthritis -- the list of Vitamin E’s possible benefits keeps getting longer. Now, because of two new studies, some researchers say the nutrient is so critical for older people that everyone over 65 should consider taking a daily supplement.
    The latest finding comes from nutrition and immunology respected: Vitamin E boosts the immune system in older people. In an eight-month study of 88 seniors, the scientists found that those taking at least 200 international units of Vitamin E daily had stronger immune responses than those taking little or none. Alzheimer’s disease. Researchers tracked 341 moderately senile patients. Those who popped 2,000 IU of Vitamin E took seven months longer to reach an advanced stage of the disease.
    Rangit Kumar Chandra, a Vitamin E researcher at Memorial University of Newfoundland, Canada, says more studies are needed to learn who can benefit most and at what dose. Vitamin E thins the blood, so high doses can cause bleeding in people who also take blood thinning drags, even aspirin. Individuals with serious conditions should consult their doctors. But most people over 65, Chandra says, can take up to 200 IU with no side effects and great benefits.
What can you infer from the passage?
选项 A、Extremely high dose of Vitamin E can cause danger.
B、With proper dose of Vitamin E old people could be safer from infectious disease.
C、Researchers have proved that Vitamin E has no side effects.
D、Individuals with serious conditions should consult their doctors.
答案B
解析 本题为推理题。根据文章第二段第二句话“In an eight-month study of 88 seniors，the scientists found that those taking at least 200 international units of Vitamin E daily had stronger immune responses than those taking little or none”可以推断出B项是正确答案
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