外语题库22021-05-04

翻译题：Scientists have long surmised that moods affect health. But the underlying cellular mechanisms were murky until they began looking at gene-expression profiles inside white blood cells. Gene expression is the complex process by which genes direct

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外语题库22021-05-04

翻译题：To reach that slightly unsettling conclusion, researchers from the University of North Carolina and the University of California, Los Angeles, had 80 healthy volunteers complete an online questionnaire that asked why they felt satisfied with thei

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外语题库22021-05-04

翻译题：Our genes may have a more elevated moral sense than our minds do, according to a new study of the genetic effects of happiness. They can, it seems, reward us with healthy gene activity when we’re unselfish — and chastise us, at a microscopic leve

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外语题库22021-05-04

翻译题：Substituting fruit juice for whole fruits significantly increased the risk for disease.

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外语题库22021-05-04

翻译题：After controlling for many health and behavioral factors, researchers found that some fruits — strawberries, oranges, peaches, plums and apricots — had no significant effect on the risk for Type 2 diabetes. But eating grapes, apples and grapefrui

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外语题库22021-05-04

翻译题：Using data from three large health studies, they tracked diet and disease prospectively over a 12-year period in more than 185,000 people, of whom 12,198 developed Type 2 diabetes. The analysis appears online in BMJ.

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外语题库22021-05-04

翻译题：Recent studies have found that eating a greater variety, but not a greater quantity, of fruit significantly reduces the risk for Type 2 diabetes. This made researchers wonder whether some fruits might have a stronger effect than others.

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外语题库22021-05-04

翻译题：Eating fruits is good for you, but new research suggests that some fruits may be better than others, and that fruit juice is not a good substitute.

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外语题库22021-05-04

翻译题：For confirmation, consider one additional aspect of the appetite study. The volunteers in that experiment had sat quietly for an hour during one session, not exercising in any fashion, neither running nor walking. And afterward they were famished

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外语题库22021-05-04

翻译题：“It bears repeating that either walking or running is healthier than not doing either,” Dr. Williams said, whatever your health goals.

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外语题库22021-05-04

翻译题：On the other hand, people who begin walking are often more unhealthy than those who start running, and so their health benefits from the exercise can be commensurately greater.

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外语题库22021-05-04

翻译题：Of course, few walkers match the energy expenditure of runners. “It’s fair to say that, if you plan to expend the same energy walking as running, you have to walk about one and a half times as far and that it takes about twice as long,” said Paul

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外语题库22021-05-04

翻译题：And in perhaps the most comforting of the new studies, published last month in Arteriosclerosis, Thrombosis and Vascular Biology and again using numbers from the versatile Runners and Walkers Health Study, runners had far less risk of high blood

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外语题库22021-05-04

翻译题：But on other measures of health, new science shows that walking can be at least as valuable as running — and in some instances, more so. A study published this month that again plumbed data from the Runners and Walkers Health Study found that bot

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外语题库22021-05-04

翻译题：So to eat less, run first.

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外语题库22021-05-04

翻译题：The runners also proved after exercise to have significantly higher blood levels of a hormone called peptide YY, which has been shown to suppress appetite. The walkers did not have increased peptide YY levels; their appetites remained hearty.

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外语题库22021-05-04

翻译题：The runners, on the other hand, picked at their food, taking in almost 200 calories less than they had burned while running.

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外语题库22021-05-04

翻译题：The walkers turned out to be hungry, consuming about 50 calories more than they had burned during their hourlong treadmill stroll.

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外语题库22021-05-04

翻译题：After both sessions, the volunteers were set free in a room with a laden buffet and told to eat at will.

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外语题库22021-05-04

翻译题：One reason may be running’s effect on appetite, as another intriguing, if small, study suggests. In the study, published last year in the Journal of Obesity, nine experienced female runners and 10 committed female walkers reported to the exercise

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外语题库22021-05-04

翻译题：Why running should better aid weight management than walking is not altogether clear. It might seem obvious that running, being more strenuous then walking, burns more calories per hour. And that’s true. But in the Berkeley study and others, when

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外语题库22021-05-04

翻译题：The difference was particularly notable among participants over 5 5. Runners in this age group were not running a lot and generally were barely expending more calories per week during exercise than older walkers. But their body mass indexes an

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外语题库22021-05-04

翻译题：The runners almost uniformly were thinner than the walkers when each joined the study. And they stayed that way throughout. Over the years, the runners maintained their body mass and waistlines far better than the walkers.

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外语题库22021-05-04

翻译题：Participants were asked about their weight, waist circumference, diets and typical weekly walking or running mileage both when they joined the study, and then again up to six years later.

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外语题库22021-05-04

翻译题：If, for instance, you are looking to control your weight — and shallowly or not, I am — running wins, going away. In a study published last month in Medicine & Science in Sports & Exercise, and unambiguously titled “Greater Weight Loss Fr

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