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(1) Once upon a time, you believed in the tooth fairy. You counted on the stability of housing prices and depended on bankers to
(1) Once upon a time, you believed in the tooth fairy. You counted on the stability of housing prices and depended on bankers to
admin
2022-04-02
144
问题
(1) Once upon a time, you believed in the tooth fairy. You counted on the stability of housing prices and depended on bankers to be, well, dependable. And you figured that taking vitamins was good for you. Oh, it’s painful when another myth gets shattered. Recent research suggests that a daily multivitamin is a waste of money for most people — and there’s growing evidence that some other old standbys may even hurt your health. Here’s what you need to know.
Myth: A multivitamin can make up for a bad diet
(2) Last year, researchers published new findings from the Women’s Health Initiative, a long-term study of more than 160,000 midlife women. The data showed that multivitamin-takers are no healthier than those who don’t pop the pills, at least when it comes to the big diseases — cancer, heart disease, stroke. "Even women with poor diets weren’t helped by taking a multivitamin," says study author Marian Neuhouser, PhD, in the cancer prevention program at the Fred Hutchinson Cancer Research Center, in Seattle.
(3) Vitamin supplements came into vogue in the early 1900s, when it was difficult or impossible for most people to get a wide variety of fresh fruits and vegetables year-round. Back then, vitamin-deficiency diseases weren’t unheard-of: the bowed legs and deformed ribs of rickets (caused by a severe shortage of vitamin D) or the skin problems and mental confusion of pellagra (caused by a lack of the B vitamin niacin). But these days, you’re extremely unlikely to be seriously deficient if you eat an average American diet.
Myth: Vitamin C is a cold fighter
(4) In the 1970s, Nobel laureate Linus Pauling popularized the idea that vitamin C could prevent colds. Today, drugstores are full of vitamin C-based remedies. Studies say: Buyer, beware. In 2007, researchers analyzed a raft of studies going back several decades and involving more than 11,000 subjects to arrive at a disappointing conclusion: Vitamin C didn’t ward off colds.
(5) of course, prevention isn’t the only game in town. Can the vitamin cut the length of colds? Yes and no. Taking the vitamin daily does seem to reduce the time you’ll spend sniffling — but not enough to notice. Adults typically have cold symptoms for 12 days a year; a daily pill could cut that to 11 days. Kids might go from 28 days of runny noses to 24 per year. The researchers conclude that minor reductions like these don’t justify the expense and bother of year-round pill-popping.
Myth: Hey, it can’t hurt
(6) The old thinking went something like this — sure, vitamin pills might not help you, but they can’t hurt either. The shift started with a big study of beta-carotene pills. It was meant to test whether the antioxidant could prevent lung cancer, but researchers instead detected surprising increases in lung cancer and deaths among male smokers who took the supplement. No one knew what to make of the result at first, but further studies have shown it wasn’t a fluke — there’s a real possibility that in some circumstances, antioxidant pills could actually promote cancer.
(7) Vitamins are safe when you get them in food, but in pill form, they can act more like a drug, with the potential for unexpected and sometimes dangerous effects.
According to the passage, which of the following statements about multivitamins is FALSE?
选项
A、Multivitamins cannot prevent people from getting cancer or heart disease.
B、When fresh foods were not easily available, people started using more vitamin supplements.
C、Insufficient vitamins in one’ s body may cause deformed ribs.
D、It is beneficial for women to take multivitamins for a long run.
答案
D
解析
细节题。注意此处要选择的是错误选项。题干没有给出关键词,需要对选项进行一一排除。选项A出现在第一节第一段中:Even women with poor diets weren’t helped by taking a multivitamin…;选项B出现在第一节第二段中:Vitamin supplements came into vogue in the early 1900s,when it was difficult or impossible for most people to get a wide variety of flesh fruits and vegetables year. round. ”选项C也出现在此段:deformed ribs of rickets (caused by a severe shortage of vitamin D)。
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