填空题

Last year, researchers published new findings from the Women’s Health Initiative, a long-term study of more than 160000 midlife women. The data showed that multivitamin-takers are no (36) than those who don’t take the pills, at least when it comes to the big diseases-cancer, heart disease, and (37)
"Even women with poor diets weren’t helped by taking a multivitamin," says study author Marian Neuhouser, PhD, in the cancer (38) program at the Fred Hutchinson Cancer Research Center, in Seattle.
Vitamin (39) came into fashion 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 (40) diseases weren’t unheard-of: the bowed legs and (41) ribs caused by a severe shortage of vitamin D, or the skin problems and mental (42) caused by a lack of vitamin B.
But these days, you’re (43) unlikely to be seriously deficient if you eat an average American diet, if only because many packaged foods are vitamin-enriched. Sure, (44) . "Multi vitamins have maybe two dozen ingredients--but plants have hundreds of other useful compounds," Neuhouser says. " (45) ."
That said there is one group that probably ought to keep taking a multi-vitamin: women of reproductive age. The supplement is insurance in case of pregnancy. (46) .