Passage Thirteen
How do we get more people to increase their consumption of iron-rich foods? Many nutritionists 1 the increase of a number of foods. This may help, but I contend that we should also intensify our 2 in nutrition education among our young people. I simply do not buy the argument that it is 3 to try to change eating habits. Once an intelligent
person—and this includes adolescents—understands the need for a healthy diet, I think he or she will act 4 . As for specific actions, I suggest that blood should be checked as a 5 part of a youngster’s yearly physical examination.
It should contain at least 11 grams iron per 100 milliliters of blood for a girl and at least 12 grams for a boy. If it is any lower, the physician probably will 6 an easily absorbed iron supplement. Adolescents—and everyone else—should cut out highly processed foods and drinks, which may be 7 in iron and other nutrients. Read the labels for iron content. Especially make sure that all 8 products are made with enriched flour or whole grains. Try adding liver （chicken, beef or any other variety） to the weekly 9 . Finally, even when you are trying to lose weight, always eat a sensible, well-balanced diet made up of a variety of flesh or very 10 processed foods. This way, you stand a good chance of getting not only enough iron, but also adequate amounts of all the other essential nutrients.
Passage Fourteen
The popular notion that older people need less sleep than younger adults is a myth, scientists said yesterday.
While elderly people 1 to sleep for fewer hours than they did when they were younger, this has a（n） 2 effect on their brain’s performance and they would benefit from getting more, according to research.
Sean Drummond, a psychiatrist （ 心 理 医 生 ） at the University of California, San Diego, said older people are more likely to suffer from broken sleep, while younger people are better at sleeping 3 straight through the night.
More sleep in old age, however, is 4 with better health, and most older people would feel better and more 5 if they slept for longer periods, he said.
“The ability to sleep in one chunk （整段时间） overnight goes down as we age but the amount of sleep we need to 6 well does not change,” Dr. Drummond told the American Association for the Advancement of Science conference in San Diego.
“It’s 7 a myth that older people need less sleep. The more healthy an older adult is, the more they sleep like they did when they were 8 . Our data suggests that older adults would benefit from 9 to get as much sleep as they did in their 30s. That’s 10 from person to person, but the amount of sleep we had at 35 is probably the same amount as we need at 75.”
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